Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 96, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 31, 1986, 10:23 PM CDT for Madison County, Marshall County, Alabama. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1986, 10:23 PM CDT (03:23 UTC)
- Expired
- Jul 31, 1986, 11:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Madison County, AL, Marshall County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 3.4 hours before the alert went out and 175 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
- 1728 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1622 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Jul 31, 6:31 PM CDT, 3 hours 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 630 PM CDT THU JUL 31 1986 THUNDERSTORMS CONTINUE TO MOVE TO THE SOUTH OVER EASTERN ALABAMA AND THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES, AUTAUGA...BULLOCK...CHILTON...CLARKE...CONECUH...COOSA... CRENSHAW...DALLAS...GREENE...HALE...LOWNDES...MARENGO...MONROE... MONTGOMERY...PERRY...SUMTER...WI
Special weather statement, Jul 31, 6:35 PM CDT, 3 hours 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 630 PM CDT THU JUL 31 1986 THUNDERSTORMS CONTINUE TO MOVE TO THE SOUTH OVER EASTERN ALABAMA AND THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES, AUTAUGA...BULLOCK...CHILTON...CLARKE...CONECUH...COOSA... CRENSHAW...DALLAS...GREENE...HALE...LOWNDES...MARENGO...MONROE... MONTGOMERY...PERRY...SUMTER...WILCOX. HOWEVER STRONG THUNDERSTORMS CONTINUE OVER A PORTION OF SOUTHEAST ALABAMA AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9PM CDT FOR SEVERAL COUNTIES IN SOUTHEAST ALABAMA.
Special weather statement, Jul 31, 7:01 PM CDT, 3 hours 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 630 PM CDT THU JUL 31 1986 THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES, ELMORE...TALLAPOOSA...LEE AND CHAMBERS. HOWEVER BULLOCK COUNTY WAS MISTAKENLY CLEARED ON THE LAST STATEMENT. BULLOCK COUNTY WILL BE ADDED TO THE LIST OF COUNTIES THAT CONTINUE IN SEVERE THUNDERSTORM WATCH NUMBER 442 COVERING SOUTHEAST ALABAMA.
Special weather statement, Jul 31, 7:04 PM CDT, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 700 PM CDT THU JUL 31 1986 ...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 9PM FOR SOUTHEAST ALABAMA COUNTIES FROM MACON AND RUSSELL COUNTIES SOUTHWARD... RADAR SHOWED A BAND IF INTENSE THUNDERSTORMS OVER EAST ALABAMA AT 650 PM. THE STRONGEST STORMS WERE FROM TALASSEE TO HURTSBORO.. AND MOVING SOUTH AT AROUND 20 MPH. THE STORMS WILL BE PRODUCING STRONG GUSTY WINDS...INTENSE LIGHTNING... BLINDING RAIN...AND SOME HAIL. PLEASE REMAIN ALERT UNTIL THE WATCH EXPIRES IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS. DEVAUGHN
Local storm report, Jul 31, 7:12 PM CDT, 3 hours 11 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MONTGOMERY AL 710 PM CDT THU JUL 31 1986 5PM CDT...LEE-CHAMBERS COUNTY LINE NORTH OF OPELIKA...BLINDING RAIN..HIGH WINDS..MARBLE SIZED HAIL. REPORT FROM LEE COUNTY EMA. 6PM...NUMEROUS TREES DOWN IN ALEXANDER CITY..BLOCKING ROADS...PEA SIZED HAIL AND TORRENTIAL RAIN. FROM DPS ALEXANDER CITY. 5-6 PM...POWER OUTAGES ALL OVER AUBURN..OPELIKA..ALEXANDER CITY... AND TALASSEE. DEVAUGHN
Local storm report, Jul 31, 9:47 PM CDT, 36 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MONTGOMERY AL 940 PM CDT THU JUL 31 1986 630 PM CDT IN TALASSEE..ALONG THE TALLAPOOSA-ELMORE COUNTY LINE.. WIND DAMAGE TO THE TOPS OF TWO BUILDINGS...NUMEROUS POWER LINES AND TREES DOWN. 730 PM...POWER LINES DOWN ALONG THE ALABAMA-GEORGIA BORDER NEAR EUFAULA. 730 PM...POWER LINES DOWN IN TROY..PIKE COUNTY. NO THUNDERSTORMS WERE IN THE IMMEDIATE AREA..BUT A GUST FRONT CAUSED BY A DISSIPATING THUNDERSTORM WAS OBSERVED ON RADAR. 825 PM..CLAYTON IN BARBOUR COUNTY...A POLICE COMMUNICATIONS TOWER BLOWN DOWN. DEVAUGHN
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 8:44 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale, Limestone | 61 min |
| Jul 31, 9:16 PM CDT | Severe Thunderstorm Warning | BMX | Limestone, Madison | 59 min |
| Jul 31, 9:16 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 34 min |
| Jul 31, 10:54 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 51 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1986Every severe thunderstorm warning in 1986
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.