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by Webmaster - Sat 23 May 2026 01:32:PM
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by Webmaster - Sat 23 May 2026 01:32:PM
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by Webmaster - Sat 23 May 2026 01:32:PM
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World Earthquake Report for Thursday, 21 May 2026
• Volcano earthquake report for Thursday, 21 May 2026
• Light mag. 3.9 earthquake - 48 km southwest of Coatepeque, Departamento de ...
• Moderate mag. 4.4 earthquake - New Zealand on Friday, May 22, 2026, at 02:1...
• Moderate mag. 4.4 earthquake - Gisborne, New Zealand, on Friday, May 22, 20...
• Moderate mag. 4.0 earthquake - Bay of Plenty, New Zealand, on Friday, May 2...
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SPC May 23, 2026 1300 UTC Day 1 Convective Outlook
Webmaster
8 hours ago
SPC May 23, 2026 1300 UTC Day 1 Convective OutlookSPC 1300Z Day 1 Outlook  Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 AM CDT Sat May 23 2026
Valid 231300Z - 241200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHERN PLAINS AND CENTRAL HIGH PLAINS...WESTERN AND CENTRAL GULF COAST...GEORGIA INTO SOUTH CAROLINA...AND ACROSS OHIO...
...SUMMARY... Isolated severe thunderstorms are possible today across the lower Mississippi Valley and into parts of Texas. Other isolated severe storms are possible in portions of the Southeast, Ohio, and the central High Plains.
...Southern High Plains... Weak mid-level flow and an ill-defined surface pattern aptly characterize the severe-potential setup for later today into the evening across this region. Residual low-level moisture and steep 700-500 mb lapse rates (reference the 12 UTC Midland, TX raob; 8.7 deg C/km) in combination with strong heating will result in moderate instability developing by mid-late afternoon. Scattered thunderstorms are forecast to develop from near the CO/OK-TX Panhandles border region southward into the Edwards Plateau. Isolated large hail and severe gusts will be the primary severe hazards with the stronger storms. Some clustering is expected during the evening before this activity diminishes by late evening.
...South-central and Southeast Texas/Southern Louisiana... In the coastal areas of the western and central Gulf, very moist air will be in place. Surface dewpoints in the lower to mid 70s F will contribute to moderate instability by midday. Thunderstorms will form along sea breeze boundaries during the early to mid afternoon. A few severe wind gusts and a brief tornado will be possible. Farther north over the Ark-La-Miss, some heating ahead of a north-south band of showers/thunderstorms associated with an MCV over OK, will contribute to a marginally supportive wind-damage risk. Have expanded low-wind probabilities to account for observational trends of a semi-organized band of storms continuing east into the Ark-La-Miss during peak heating.
...Georgia/South Carolina... A weak mid-level disturbance over MS/AL this morning will move east-northeastward today. Adequate heating of a moist boundary layer will yield 500-1000 J/kg MLCAPE by early afternoon and scattered showers/thunderstorms are forecast. Deep-layer shear will support some multicellular organization in the form of a few thunderstorm clusters. The stronger water-loaded downdrafts will potentially yield a localized wind-damage risk during the afternoon before this threat wanes by early evening.
...Central High Plains... Latest model guidance shows isolated thunderstorms developing late this afternoon within a belt of stronger cyclonic mid-level flow associated with a north-central U.S. larger-scale mid-level trough. The 30-40 kt 500-mb flow and steepened surface to 400-mb lapse rates may support a couple of locally stronger thunderstorms to develop towards early evening. Locally severe hail/wind will be the threat with these storms.
...Ohio... Southwesterly mid-level flow will be in place over the Ohio Valley and lower Great Lakes today. At the surface, an axis of low-level moisture will be located from eastern Kentucky into central and northern Ohio, where dewpoints will be in the mid to upper 60s F. As instability increases during the day, scattered thunderstorms are expected to develop and move northeastward across the instability corridor. RAP forecast soundings in central Ohio at 21Z have 0-6 km shear near 30 knots with 0-3 km storm-relative helicity around 150 m2/s2. This could be enough for an isolated tornado threat.
..Smith/Weinman.. 05/23/2026
Read morehttps://www.spc.noaa.gov/products/outlook/day1otlk_1300.html
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Monday: Sunny, Minimum Temperature: 14°C (57°F) Maximum Temperature: 29°C (84°F)
Webmaster
10 hours ago
Maximum Temperature: 29°C (84°F), Minimum Temperature: 14°C (57°F), Wind Direction: westerly, Wind Speed: 5mph, Visibility: Very Good, Pressure: 1030mb, Humidity: 52%, UV Risk: 7, Pollution: Low, Sunrise: 04:55 BST, Sunset: 21:18 BST Source: Monday: Sunny, Minimum Temperature: 14°C (57°F) Maximum Temperature: 29°C (84°F)
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Sunday: Sunny, Minimum Temperature: 13°C (55°F) Maximum Temperature: 25°C (77°F)
Webmaster
10 hours ago
Maximum Temperature: 25°C (77°F), Minimum Temperature: 13°C (55°F), Wind Direction: south-westerly, Wind Speed: 3mph, Visibility: Good, Pressure: 1031mb, Humidity: 55%, UV Risk: 7, Pollution: Low, Sunrise: 04:56 BST, Sunset: 21:16 BST Source: Sunday: Sunny, Minimum Temperature: 13°C (55°F) Maximum Temperature: 25°C (77°F)
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Today: Sunny Intervals, Minimum Temperature: 10°C (50°F) Maximum Temperature: 21°C (70°F)
Webmaster
10 hours ago
Maximum Temperature: 21°C (70°F), Minimum Temperature: 10°C (50°F), Wind Direction: westerly, Wind Speed: 6mph, Visibility: Very Good, Pressure: 1028mb, Humidity: 53%, UV Risk: 6, Pollution: Low, Sunrise: 04:57 BST, Sunset: 21:15 BST Source: Today: Sunny Intervals, Minimum Temperature: 10°C (50°F) Maximum Temperature: 21°C (70°F)
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SPC May 23, 2026 Day 4-8 Severe Weather Outlook
Webmaster
12 hours ago
SPC May 23, 2026 Day 4-8 Severe Weather OutlookDay 4-8 Outlook  Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0353 AM CDT Sat May 23 2026
Valid 261200Z - 311200Z
...DISCUSSION... A trough will deepen and shift eastward across the Pacific Northwest D4/Tuesday-D5/Wednesday. As the upper low slowly shifts eastward, stronger flow will overspread the Intermountain West into the Northern Rockies which will result in strengthening lee troughing across the central/northern Plains. Moisture advection will spread northward with the strengthening southerly flow across the central/northern Plains. Severe storms may occur each day across some portion of the northern and northern/central High Plains. In addition, strengthening southern stream flow may bring stronger storms across the Sierra Madre which may bring severe potential into portions of far southern Texas. For now, confidence in exact corridors of greater severe potential remains low.
By D6/Thursday-D8/Saturday, guidance suggests the western low becomes cut off and slowly wobbles towards the Great Basin before becoming absorbed back into the northern stream, likely due to the high amplitude ridging across the central. Some severe potential may extend into the eastern US as a cold front shifts southward as flow enhances in the trough across Quebec in the D6-D7 period.
Read morehttps://www.spc.noaa.gov/products/exper/day4-8/
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Copyright 1996 - 2026 by David Cottle. Designed by David Bate Jr. All Rights Reserved.
By using this forum, the user agrees not to transfer any data or technical information received under this agreement to any other entity without the express approval of the AUS-CITY Forum Admins and/or authors of individual posts (Forum Admins and DoD/USSPACECOM for the analysis of satellite tracking data).
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