Alert archive / Alabama / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 37, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Feb 12, 2000, 3:20 AM CST for Limestone County, Alabama. It was in force for 25 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 12, 2000, 3:20 AM CST (09:20 UTC)
- Expired
- Feb 12, 2000, 3:45 AM CST
- In force
- 25 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Limestone County, AL
The radar
The Northeast Alabama radar (KHTX), 83 km from the middle of the area, began a volume at 09:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 12, 3:37 AM CST | Hail 0.75 | Athens, AL | Dime size hail was reported in Coxey. |
| Feb 12, 3:38 AM CST | Hail 0.75 | Cairo, AL | Dime size hail fell in the Cairo area. |
| Feb 12, 3:40 AM CST | Hail 0.75 | Ripley, AL | Dime size hail was reported in Ripley. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 9.3 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBMX 120921 SVRBHM ALC083-120945- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 320 AM CST SAT FEB 12 2000 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A... * SEVERE THUNDERSTORM WARNING FOR... LIMESTONE COUNTY IN NORTH CENTRAL ALABAMA... * UNTIL 345 AM CST. * AT 320 AM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL NEAR ATHENS...MOVING EAST AT 50 MPH. * SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 345 AM CST... LESTER... ATHENS... ELKMONT AND MOORESVILLE... ARDMORE... VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER.
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 Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 12, 2:43 AM CST, 37 minutes earlier.
Area forecast discussion, Feb 12, 2:43 AM CST, 37 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BIRMINGHAM, AL 243 AM CST SAT FEB 12 2000 LATEST RUC MODEL SHOWS H5 SHORT WAVE MOVING INTO AND ACROSS THE TN VLY THRU 15Z THIS MORNING. STATIONARY FRONTAL BOUNDARY EXTENDS FROM NEAR FT. PAYNE TO NEAR COLUMBUS MS. SURFACE LOW JUST SOUTH OF COLUMBUS WILL MOVE NORTHEAST ALONG THIS FRONT THIS MORNING AND GENERALLY BE EAST OF THE AREA BY EARLY THIS AFTERNOON. HIEST POPS TODAY WILL BE ACROSS THE EXTREME NORTH AND WILL ADJUST THE POPS JUST BEFORE RELEASE TIME BASED ON CURRENT RADAR. FRONT MAY PUSH SLIGHTLY FARTHER SOUTH TODAY BUT WILL GENERALLY WASH OUT NORTH OF BIRMINGHAM LATER TONIGHT WITH SOME GRADUAL DRYING TAKING PLACE LATER TONIGHT. NEXT SYSTEM IS ALREADY GETTING ORGANIZED ACROSS THE WESTERN STATES AND THIS RUN OF THE MODELS HAS THIS SYSTEM MOVING RAPIDLY EASTWARD. IMPRESSIVE LOW LEVEL JET PUNCHES INTO THE AREA ON SUNDAY AND WITH GULF WIDE OPEN WILL BRING POPS BACK INTO THE AREA WITH THE HIEST POPS ACROSS THE WESTERN SECTIONS. FOR SUNDAY NIGHT WILL SAY NUMEROUS SHOWERS AND TSTMS FOR ALL SECTIONS. LARGE TEMPERATURE DIFFERENCE ACROSS THE AREA GIVEN FRONTAL BOUNDARY ACROSS THE NORTH AND SOUTHERLY FLOW ACROSS THE SOUTH CBENTRAL SECTIONS. WILL HAVE NUMEROUS GROUPINGS AND USE A BLEND OF THE FAN/FWC DATA. HSV 53/45/63 505 BHM 65/50/67 305 MGM 71/52/71 204 .BHM...NONE.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 3:12 AM CST | Severe Thunderstorm Warning | BMX | Colbert | 33 min |
| Feb 12, 3:35 AM CST | Severe Thunderstorm Warning | BMX | Lauderdale, Lawrence | 25 min |
| Feb 12, 3:41 AM CST | Severe Thunderstorm Warning | BMX | Madison | 34 min |
| Feb 12, 3:54 AM CST | Severe Thunderstorm Warning | BMX | Limestone | 36 min |
| Feb 12, 4:03 AM CST | Severe Thunderstorm Warning | BMX | Jackson | 27 min |
| Feb 12, 4:25 AM CST | Severe Thunderstorm Warning | BMX | Limestone | 35 min |
| Feb 12, 4:31 AM CST | Severe Thunderstorm Warning | BMX | Jackson | 59 min |
| Feb 12, 4:43 AM CST | Severe Thunderstorm Warning | BMX | Madison | 32 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.