Alert archive / Alabama / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 8, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 6, 1992, 3:47 PM CST for Calhoun County, Cherokee County, Cleburne County, Alabama. It was in force for 58 min. 1 report 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
- Mar 6, 1992, 3:47 PM CST (21:47 UTC)
- Expired
- Mar 6, 1992, 4:45 PM CST
- In force
- 58 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Calhoun County, AL, Cherokee County, AL, Cleburne County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 6, 4:15 PM CST | Hail 1 | Cherokee, AL |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.8 hours before the alert went out and 180 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
- 887 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 139 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 KBHM 062147 SVRBHM ALC015-019-029-062245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 347 PM CST FRI MAR 6 1992 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH ALABAMA ...NORTHERN CALHOUN COUNTY...SOUTHERN CHEROKEE COUNTY ...NORTHERN CLEBURNE COUNTY AT 345 PM CST A SEVERE THUNDERSTORM CONTINUES TO MOVE EAST AT 35 MPH AND WILL MOVE INTO NORTHERN CALHOUN, SOUTHERN CHEROKEE, AND NORTHERN CLEBURNE COUNTIES. SOME OF THE COMMUNITIES THAT WILL LIKELY BE AFFECTED ARE COLOMA, ROCK RUN, AND PLEASANT GAP IN CHEROKEE COUNTY...PIEDMONT IN CALHOUN COUNTY...AND BORDEN SPRINGS IN CLEBURNE COUNTY. THIS STORM HAS BEEN ACCOMPANIED BY LARGE HAIL AND GUSTY WIND. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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.
In the hours before
Special weather statement, Mar 6, 1:38 PM CST, 2 hours 9 minutes before
ALZ004>009-011-062100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 138 PM CST FRI MAR 6 1992 AT 135 PM WEATHER SERVICE RADAR DETECTED A STRONG THUNDERSTORM ALONG THE BORDERS OF WINSTON...WALKER AND CULLMAN COUNTIES NEAR SMITH LAKE. THE STORM WAS MOVING EAST AROUND 30 MPH AND WILL AFFECT THE TOWN OF CULLMAN BY 2 PM. STRONG WINDS...HEAVY DOWNPOURS AND POSSIBLY SOME SMALL HAIL CAN BE EXPECTED WITH THIS STORM. ALL INTERESTS SHOULD REMAIN ALERT AND SEEK SHELTER IF THREATENING WEATHER APPROACHES. MOTORISTS SHOULD USE EXTREME CAUTION AS HEAVY RAIN WILL GREATLY REDUCE VISIBITIES AND MAKE ROADS HAZARDOUS.
Special weather statement, Mar 6, 2:16 PM CST, 1 hour 31 minutes before
ALZ004>009-011-062115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 215 PM CST FRI MAR 6 1992 AT 212 PM WEATHER SERVICE RADAR DETECTED A STRONG THUNDERSTORM MOVING EAST-NORTHEAST THROUGH CULLMAN COUNTY AT 30 TO 35 MPH. CULLMAN COUNTY EMERGENCY MANAGEMENT AGENCY REPORTED PEA SIZE HAIL IN VINEMONT JUST NORTH OF CULLMAN WITH REPORTS OF SOME TREE LIMBS DOWN. STRONG WIND...HEAVY DOWNPOURS AND SMALL HAIL CAN BE EXPECTED WITH THIS STORM SIMILAR TO CONDITIONS ALREADY REPORTED. ALL INTERESTS SHOULD REMAIN ALERT AND SEEK SHELTER IF THE WEATHER TURNS UNUSALLY THREATENING. MOTORISTS SHOULD USE EXTREME CAUTION SINCE HEAVY RAIN WILL GREATLY REDUCE VISIBILITY AND MAKE TRAVEL HAZAR%DOUS. WITH THE PRESENT MOVEMENT...THE STORM SHOULD CONTINUE TO MOVE THROUGH CULLMAN COUNTY DURING THE NEXT HOUR.
Special weather statement, Mar 6, 2:46 PM CST, 1 hour 1 minute before
ALZ004>009-011-062130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 248 PM CST FRI MAR 6 1992 AT 246 PM WEATHER SERVICE RADAR DETECTED A STRONG THUNDERSTORM MOVING EAST-NORTHEAST ACROSS EXTREME NORTHERN BLOUNT COUNTY. THE STORM WAS MOVING AT 30 TO 35 MILES AN HOUR. THIS IS THE SAME STORM ASSOCIATED WITH SMALL HAIL AND STRONG...GUSTY WIND WHEN IT MOVED OVER CULLMAN COUNTY EARLIER THIS AFTERNOON. STRONG WIND...HEAVY DOWNPOURS AND SMALL HAIL CAN BE EXPECTED WITH THIS STORM. ALL INTERESTS SHOULD REMAIN ALERT AND SEEK SHELTER IF THE WEATHER TURNS UNUSALLY THREATENING. MOTORISTS SHOULD BE ESPECIALLY CAUTIOUS SINCE HEAVY RAIN WILL GREATLY REDUCE VISIBILITY AND MAKE TRAVEL HAZARDOUS. WITH THE PRESENT MOVEMENT...THE STORM SHOULD CONTINUE TO MOVE ACROSS NORTHERN BLOUNT COUNTY AND WILL LIKELY MOVE ACROSS EXTREME SOUTHERN MARSHALL AND NORTHERN ETOWAH COUNTY DURING THE NEXT COUPLE OF HOURS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 3:01 PM CST | Severe Thunderstorm Warning | BMX | Marshall | 39 min |
| Mar 6, 3:02 PM CST | Severe Thunderstorm Warning | BMX | Etowah | 43 min |
| Mar 6, 3:28 PM CST | Severe Thunderstorm Warning | BMX | Etowah | 47 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992
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.