Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 18, NWS Little Rock, AR

February 15, 1990Union County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Feb 15, 1990, 2:47 PM CST for Union County, Arkansas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued: Feb 15, 1990, 2:47 PM CST (20:47 UTC)
Expired: Feb 15, 1990, 3:45 PM CST
In force: 58 min
Issued by: NWS Little Rock, AR
Area: Whole counties

County Union County, AR

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

Longview/Gregg, TX (KGGG), launched 12:00Z, 8.8 hours before the alert went out and 208 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 342 J/kg
Mixed-layer CIN: -171 J/kg
Mixed-layer LCL: 1286 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 275 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

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, Feb 15, 12:45 PM CST, 2 hours 2 minutes before

ARZALL-152000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1245 PM CST THU FEB 15 1990

...TORNADO WATCHES IN EFFECT FOR EASTERN ARKANSAS...

TWO TORNADO WATCHES...NUMBERS 36 AND 37...BLANKET A LARGE PART OF
SOUTHERN AND EASTERN ARKANSAS THIS AFTERNOON. THE WATCHES ARE IN
EFFECT UNTIL 6 PM.

A LINE OF STRONG THUNDERSTORMS DEVELOPED RAPIDLY AROUND NOON TODAY
IN THE VICINITY OF A COLD FRONT WHICH IS NOW ADVANCING THROUGH
CEN3TRAL ARKANSAS.

AT 1240 PM...THE STRONGEST THUNDERSTORMS WERE MOVING THROUGH EXTREME
SOUTHEASTERN PULASKI COUNTY...AND WESTERN JEFFERSON COUNTY.

34

Special weather statement, Feb 15, 1:10 PM CST, 1 hour 37 minutes before

ARZ008-010-152000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
105 PM CST THU FEB 15 1990

...TORNADO WATCH CANCELLED FOR A FEW CENTRAL ARKANSAS COUNTIES

TORNADO WATCH NUMBER 36 HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES
IN CENTRAL ARKANSAS...PULASKI...SALINE...DALLAS...AND GRANT.

THE LINE OF STRONG THUNDERSTORMS WHICH DEVELOPED IN CENTRAL ARKANSAS
AROUND NOON HAS CONTINUED TO MOVE EASTWARD AND IS EAST OF THE
CLEARED COOUNTIES.

TWO TORNADO WATCHES...NUMBERS 36 AND 37...REMAIN IN EFFECT UNTIL 6
PM FOR A LARGE PORTION OF EASTERN AND SOUTHEASTERN ARKANSAS.

34

Special weather statement, Feb 15, 2:04 PM CST, 43 minutes before

ARZ06-11>16-152100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
200 PM CST THU FEB 15 1990

...TORNADO WATCHES IN EFFECT FOR EASTERN ARKANSAS...

TWO TORNADO WATCHES...NUMBERS 36 AND 37...BLANKET A LARGE PART OF
SOUTHERN AND EASTERN ARKANSAS THIS AFTERNOON. THE WATCHES ARE IN
EFFECT UNTIL 6 PM.

AT 200 PM CST...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS EXTENDING
FROM NEAR BLYTHEVILLE TO NEAR FORREST CITY TO STUTTGART. THE STRONGEST
THUNDERSTORM WAS LOCATED OVER CROSS COUNTY JUST SOUTHWEST OF PARKIN.

OTHER THUNDERSTORMS WERE DEVELOPING ACROSS AOUTH ARKANSAS BETWEEN
MAGNOLIA AND CROSSETT.

MOVEMENT WAS NORTHEAST AT 45 MPH.
06

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 15, 5:17 AM CST	Flash Flood Warning	LZK	Conway, Faulkner, Perry	118 min
Feb 15, 5:17 AM CST	Flash Flood Warning	LZK	White	118 min
Feb 15, 2:37 PM CST	Severe Thunderstorm Warning	LZK	Calhoun, Ouachita	53 min
Feb 15, 3:28 PM CST	Severe Thunderstorm Warning	LZK	Drew	32 min
Feb 15, 3:37 PM CST	Severe Thunderstorm Warning	LZK	Bradley	53 min
Feb 15, 4:10 PM CST	Severe Thunderstorm Warning	LZK	Drew	50 min
Feb 15, 4:33 PM CST	Severe Thunderstorm Warning	LZK	Ashley	42 min
Feb 15, 5:47 PM CST	Severe Thunderstorm Warning	LZK	Chicot	28 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990 Every 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; the sounding from the Mesonet's radiosonde archive.