Alert archive / Tennessee / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 5, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Feb 9, 1990, 3:58 PM CST for Crockett County, Dyer County, Tennessee. It was in force for 47 min. 2 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 9, 1990, 3:58 PM CST (21:58 UTC)
- Expired
- Feb 9, 1990, 4:45 PM CST
- In force
- 47 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Crockett County, TN, Dyer County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 9, 4:20 PM CST | Thunderstorm Wind 0 | Crockett, TN | |
| Feb 9, 4:25 PM CST | Thunderstorm Wind 0 | Dyer, TN |
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
Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.0 hours before the alert went out and 136 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
- 21 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 373 m²/s²
- 0-3 km storm-relative helicity
- 394 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 KMEM 092158
SVRMEM
TNC033-045-092245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
358 PM CST FRI FEB 9 1990
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST TENNESSEE
...CROCKETT...DYER
AT 355 PM RADAR REPORTS CONTINUED TO SHOW A SEVERE THUNDERSTORM MOVING
INTO SOUTHERN DYER AND MOST OF CROCKETT COUNTY. THIS STORM PRODUCED
A TORNADO IN THE PAST HOUR IN LAUDERDALE COUNTY AFTER IT CROSSED THE
MISSISSIPPI RIVER.
THE STORM WAS MOVING TO THE EAST NORTHEAST AT 45 MILES AN HOUR.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS 'THE ROAD.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, Feb 9, 3:30 PM CST, 28 minutes before
MSZ004-005-007-092230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 330 PM CST FRI FEB 9 1990 ...TORNADO WATCH NUMBER 21 IN EFFECT FOR PORTIONS OF NORTHERN MISSISSIPPI... AT 320 PM CST TIME NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS WITH VERY HEAVY RAINS OVER PORTIONS OF NORTHERN MISSISSIPPI. THE HEAVIEST ACTIVITY WAS NEAR EUPORA IN SOUTHERN WEBSTER COUNTY...NEAR CHARLESTON IN EAST CENTRAL TALLAHATCHIE COUNTY AND CALHOUN CITY IN CENTRAL CALHOUN COUNTY. OTHERWISE RADAR INDICATED AREAS OF LIGHT TO MODERATE RAINS OVER NORTHERN MISSISSIPPI. MOVEMENT OF THE THUNDERSTORMS WAS EAST AT 50 MILES AN HOUR. WITH THE PASSAGE OF THE THUNDERSTORMS HEAVY RAINS...FREQUENT LIGHTNING AND GUSTY WINDS IN EXCESS OF 45 MILES AN HOUR CAN BE EXPECTED. PERSONS IN NORTHERN MISSISSIPPI NEED TO BE WEATHER ALERT AND TAKE PROPER ACTION IF THREATENING WEATHER APPROACHES.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 3:23 PM CST | Tornado Warning | MEG | Lauderdale | 67 min |
| Feb 9, 5:01 PM CST | Severe Thunderstorm Warning | MEG | Fayette | 44 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1990Every severe thunderstorm warning in 1990
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.