Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 268, NWS Little Rock, AR

August 13, 2002Grant County, Saline County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 13, 2002, 4:41 PM CDT for Grant County, Saline County, Arkansas. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 13, 2002, 4:41 PM CDT (21:41 UTC)
Expired: Aug 13, 2002, 5:30 PM CDT
In force: 49 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

Counties Grant County, AR, Saline County, AR

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.7 hours before the alert went out and 241 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: 1699 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 452 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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.

NWS Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 13, 3:05 PM CDT, 1 hour 36 minutes earlier.

Area forecast discussion, Aug 13, 3:05 PM CDT, 1 hour 36 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
305 PM CDT TUE AUG 13 2002

THUNDERSTORMS ARE LIKELY STATEWIDE TONIGHT. BRIEF HEAVY RAINFALL IS
POSSIBLE. THE COLD FRONT IS NOW MOVING ACROSS THE NORTHWESTERN
CORNER OF ARKANSAS. IT IS EXPECTED TO CONTINUE MOVING SLOWLY
SOUTHEASTWARD TONIGHT. MINIMUMS TONIGHT WILL DROP INTO THE 60S NORTH
AND 70S ELSEWHERE. HIGHS WEDNESDAY WILL LIKELY LEVEL OFF IN THE 80S
OVER MOST LOCATIONS. TONIGHT IS THE MAIN RAIN MAKER AND AFTER
TONIGHT SOME RAIN MAY LINGER BUT WILL NOT BE AS MUCH AS TONIGHT.

FCSTID = 38
HRO   65  81  64  89 /  70  50  10  20
LIT   70  84  71  91 /  70  60  10  30
HOT   71  85  70  91 /  70  60  10  30
PBF   72  86  72  92 /  70  60  10  30

.LZK...
AR...NONE.

In the hours before

Special weather statement, Aug 13, 2:50 PM CDT, 1 hour 51 minutes before

ARZ003>007-012>016-021>025-030>034-037>046-052>054-140130-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
250 PM CDT TUE AUG 13 2002

...SLIGHT RISK OF SEVERE THUNDERSTORMS IN THE NORTHWEST HALF OF
ARKANSAS THROUGH TONIGHT...

A STORM SYSTEM ALOFT MOVED FROM NORTHEAST OKLAHOMA ACROSS NORTHERN
ARKANSAS THIS AFTERNOON. THE SYSTEM TRIGGERED A FEW SEVERE
THUNDERSTORMS ALONG AND ARKANSAS/MISSOURI BORDER...WITH ADDITIONAL
SEVERE WEATHER EXPECTED TO REMAIN ISOLATED INTO THIS EVENING.
OVERNIGHT...A COLD FRONT WILL PUSH INTO THE STATE FROM THE
NORTHWEST...WITH ANOTHER ROUND OF SEVERE WEATHER POSSIBLE.

THE PRECIPITATION IN NORTHERN ARKANSAS THIS AFTERNOON HAS ACTED TO
STABILIZE THE ATMOSPHERE. THE PRECIPITATION IS EXPECTED TO GRADUALLY
BECOME LESS WIDESPREAD...WITH SOME HEATING OCCURRING. SHOULD HEATING
TAKE PLACE...THE ATMOSPHERE WOULD DESTABILIZE ONCE AGAIN...WITH
THUNDERSTORMS MORE LIKELY TO REDEVELOP TONIGHT AHEAD OF THE
APPROACHING FRONT.

AT THIS TIME...IT APPEARS THAT REDEVELOPMENT WILL OCCUR...MAINLY
ACROSS THE NORTHWEST HALF OF THE STATE. STORMS THAT DEVELOP MAY
BECOME SEVERE...WITH DAMAGING WINDS THE MAIN SEVERE WEATHER
THREAT.

STORM SPOTTERS AND EMERGENCY MANAGERS MAY BE ACTIVATED TONIGHT.
EVERYONE IS URGED TO REVIEW SEVERE WEATHER SAFETY RULES...AND TO KEEP
TRACK OF THE LATEST WEATHER CONDITIONS AND FORECASTS.

46

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 8:28 PM CDT	Severe Thunderstorm Warning	LZK	Clark	32 min
Aug 12, 10:49 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Marion	41 min
Aug 13, 12:51 AM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton, Izard	59 min
Aug 13, 1:47 AM CDT	Severe Thunderstorm Warning	LZK	Marion	58 min
Aug 13, 1:51 AM CDT	Severe Thunderstorm Warning	LZK	Baxter, Fulton, Izard, Sharp	59 min
Aug 13, 2:45 AM CDT	Flash Flood Warning	LZK	Baxter, Fulton, Izard	3 hr
Aug 13, 12:22 PM CDT	Severe Thunderstorm Warning	LZK	Boone	38 min
Aug 13, 12:30 PM CDT	Severe Thunderstorm Warning	LZK	Boone	30 min
Aug 13, 12:40 PM CDT	Severe Thunderstorm Warning	LZK	Marion	50 min
Aug 13, 1:09 PM CDT	Severe Thunderstorm Warning	LZK	Baxter	51 min
Aug 13, 4:34 PM CDT	Flash Flood Warning	LZK	Garland	91 min
Aug 13, 4:57 PM CDT	Severe Thunderstorm Warning	LZK	Polk	33 min
Aug 13, 6:13 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Monroe	47 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2002 Every severe thunderstorm warning in 2002

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.