Alert archive / Alabama / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 95, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at May 20, 2005, 2:07 PM CDT for Cullman County, Alabama. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 20, 2005, 2:07 PM CDT (19:07 UTC)
- Expired
- May 20, 2005, 2:48 PM CDT
- In force
- 41 min
- Issued by
- NWS Huntsville, AL
- Area
- Counties, with a storm outline in the text
County Cullman County, AL
The radar
The Birmingham radar (KBMX), 107 km from the middle of the area, began a volume at 19:09 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 20, 8:40 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.1 hours before the alert went out and 106 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1086 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1017 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Huntsville, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 20, 2:03 PM CDT, 4 minutes earlier.
Area forecast discussion, May 20, 2:03 PM CDT, 4 minutes before
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</html>Hazardous weather outlook, May 20, 1:12 PM CDT, 55 minutes before
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Special weather statement, May 20, 11:47 AM CDT, 2 hours 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1147 AM CDT FRI MAY 20 2005 ALZ010-201725- DE KALB- 1147 AM CDT FRI MAY 20 2005 ...SIGNIFICANT WEATHER ALERT FOR DEKALB COUNTY... AT 1145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR SYLVANIA...OR 8 MILES NORTH OF RAINSVILLE...MOVING SOUTHEAST AT 30 MPH. PEA SIZE HAIL...WINDS UP TO 40 MPH...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... SYLVANIA. FORT PAYNE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. 10
Special weather statement, May 20, 12:21 PM CDT, 1 hour 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1221 PM CDT FRI MAY 20 2005 ALZ005>007-201800- LIMESTONE-MADISON-MORGAN- 1221 PM CDT FRI MAY 20 2005 ...SIGNIFICANT WEATHER ALERT FOR SOUTHEAST LIMESTONE...SOUTHERN MADISON AND EASTERN MORGAN COUNTIES... AT 1218 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM GURLEY TO DECATUR... OR ALONG A LINE EXTENDING FROM 12 MILES SOUTHEAST OF MOORES MILL TO DECATUR...MOVING SOUTHEAST AT 40 MPH. PEA SIZE HAIL...WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS. * LOCATIONS IN OR NEAR THE PATH INCLUDE... REDSTONE ARSENAL. GURLEY. TRIANA. WHITESBURG. LACEY SPRINGS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. 10
Special weather statement, May 20, 12:35 PM CDT, 1 hour 32 minutes before
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</html>Special weather statement, May 20, 1:56 PM CDT, 11 minutes before
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</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 6:41 AM CDT | Severe Thunderstorm Warning | HUN | Limestone | 49 min |
| May 20, 7:24 AM CDT | Severe Thunderstorm Warning | HUN | Madison | 39 min |
| May 20, 7:24 AM CDT | Severe Thunderstorm Warning | HUN | Limestone | 36 min |
| May 20, 7:34 AM CDT | Severe Thunderstorm Warning | HUN | Jackson | 36 min |
| May 20, 8:12 AM CDT | Severe Thunderstorm Warning | HUN | Limestone | 43 min |
| May 20, 12:26 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 32 min |
| May 20, 1:02 PM CDT | Severe Thunderstorm Warning | HUN | Marshall | 43 min |
| May 20, 1:05 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, Morgan | 42 min |
| May 20, 6:35 AM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lincoln, Moore | 55 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2005Every severe thunderstorm warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.