Alert archive / Alabama / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 89, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jun 18, 1992, 3:51 PM CDT for Jackson County, Madison County, Alabama. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1992, 3:51 PM CDT (20:51 UTC)
- Expired
- Jun 18, 1992, 5:00 PM CDT
- In force
- 69 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Jackson County, AL, Madison County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 8.9 hours before the alert went out and 154 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
- 957 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 269 m²/s²
- 0-3 km storm-relative helicity
- 295 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHSV 182054 SVRHSV ALC071-089-182200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 351 PM CDT THU JUN 18 1992 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM CDT IN NORTH ALABAMA ...JACKSON COUNTY...MADISON COUNTY AT 350 PM CDT WEATHER RADAR AT HUNTSVILLE INDICATED A SEVERE THUNDERSTORM OVER MADISON COUNTY NEAR THE BROWNSBORO AND MAYSVILLE AREA. QUARTER SIZE HAIL WAS REPORTED WITH THIS STORM THIS STORM WAS MOVING EAST AT 25 MILES AN HOUR AND WILL ENTER JACKSON COUNTY SHORTLY. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NIOT 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, Jun 18, 1:46 PM CDT, 2 hours 5 minutes before
ALZ004>006-008-182000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 145 PM CDT THU JUN 18 1992 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF NORTH ALABAMA UNTIL 7PM CDT... AT 140 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS ACROSS NORTHWEST ALABAMA. THIS LINE OF SHOWERS AND THUNDERSTORMS WILL INTENSIFY AS IT MOVES TO THE EAST-SOUTHEAST AT ABOUT 30 MPH. THESE STORMS WILL MOVE INTO THE WEST CENTRAL ALABAMA COUNTIES OF MARION...WINSTON AND CULLMAN BY 3 PM CDT. THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS...HEAVY RAIN.... DEADLY LIGHTNING...AND POSSIBLY HAIL. ELSEWHERE...AN ISOLATED THUNDERSTORM HAD DE_VELOPED OVER PICKENS COUNTY NEAR ALICEVILLE.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 1:53 PM CDT | Severe Thunderstorm Warning | BMX | Limestone | 67 min |
| Jun 18, 4:25 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 65 min |
| Jun 18, 4:31 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Cullman | 59 min |
| Jun 18, 6:06 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson | 69 min |
| Jun 18, 6:06 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 42 min |
| Jun 18, 6:16 PM CDT | Tornado Warning | BMX | Blount | 29 min |
| Jun 18, 6:24 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 66 min |
| Jun 18, 6:28 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 20 min |
| Jun 18, 6:28 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun | 62 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; the sounding from the Mesonet's radiosonde archive.