Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 65, NWS Little Rock, AR

March 29, 2002Arkansas County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 29, 2002, 11:47 PM CST for Arkansas County, Arkansas. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 29, 2002, 11:47 PM CST (05:47 UTC)
Expired: Mar 30, 2002, 12:15 AM CST
In force: 28 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

County Arkansas County, AR

The radar

The Little Rock radar (KLZK), 121 km from the middle of the area, began a volume at 05:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.8 hours before the alert went out and 128 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: 1435 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1436 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KLZK 300547
SVRLIT
ARC001-300615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE
1147 PM CST FRI MAR 29 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ARKANSAS COUNTY IN SOUTHEAST ARKANSAS

* UNTIL 1215 AM CST

* AT 1144 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER ARKANSAS COUNTY...OR ABOUT 5 MILES
  SOUTHEAST OF DE WITT...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL ARKANSAS COUNTY AROUND MIDNIGHT CST

&&

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 3423 9105 3413 9111 3420 9136 3435 9131
          3430 9105

$$

56

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 Mar 29, 10:00 PM CST, 1 hour 47 minutes earlier.

Area forecast discussion, Mar 29, 10:00 PM CST, 1 hour 47 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1000 PM CST FRI MAR 29 2002

QUICK UPDATE THIS EVENING DUE TO SEVERE WEATHER. SEVERE
THUNDERSTORMS CONTINUE TO FIRE UP ALONG THE COLD FRONT MOVING
SOUTHWARD THROUGH THE CWA. EXPECT THIS ACTIVITY TO SLOWLY DISSIPATE
THROUGH THE LATE EVENING. STORMS APPEAR TO BE HAIL MAKERS MORE THAN
ANYTHING ELSE.  FORECAST WILL BE UPDATED TO CLEAN UP WORDING AND
ADJUST FOR CURRENT TRENDS.

FORECAST FOR WET WEATHER ACROSS CENTRAL AND SOUTHERN ARKANSAS STILL
LOOKS GOOD AS UPPER LEVEL LOW LIFTS OUT OF THE SOUTHWEST AND
INTERACTS WITH LOTS OF GULF MOISTURE AND FAVORABLE DYNAMICS.

FCSTID = 56

.LZK...FLASH FLOOD WATCH FOR SATURDAY AND SATURDAY NIGHT FOR ZONES
ARZ052>053...ARZ062>063...ARZ066>069.

In the hours before

Special weather statement, Mar 29, 7:30 PM CST, 4 hours 17 minutes before

ARZ025-033-034-042>047-052>057-062>069-300830-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
730 PM CST FRI MAR 29 2002

...SLIGHT RISK OF SEVERE WEATHER TONIGHT...

THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS THE SOUTHEASTERN
HALF OF ARKANSAS.

A COLD FRONT ENTERED NORTHWEST ARKANSAS EARLY FRIDAY. THIS FRONT
WILL MOVE SLOWLY SOUTH TO THE SOUTHERN BORDER OF THE STATE
TONIGHT. AN UPPER LEVEL LOW CONTINUES TO MOVE TOWARDS ARKANSAS.
SCATTERED THUNDERSTORMS WILL DEVELOP. SOME MAY BECOME SEVERE.

THE MAIN THREAT WILL BE DAMAGING WINDS AND LARGE HAIL.

STORM SPOTTERS...AMATEUR RADIO OPERATORS...AND EMERGENCY MANAGERS
MAY BE ACTIVATED LATER TONIGHT.

38

Local storm report, Mar 29, 10:00 PM CST, 1 hour 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1000 PM CST FRI MAR 29 2002

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0920 PM    8 N STUTTGART             AR   .75 INCH HAIL
03/29/02   ARKANSAS                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Mar 29, 11:13 PM CST, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1113 PM CST FRI MAR 29 2002

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1010 PM    4 S DE WITT               AR   FLOOD
03/29/02   ARKANSAS                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          WATER STARTING TO COVER
                                          HIGHWAY 152

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 8:22 PM CST	Severe Thunderstorm Warning	LZK	Arkansas	38 min
Mar 29, 8:31 PM CST	Severe Thunderstorm Warning	LZK	Grant	29 min
Mar 29, 8:36 PM CST	Severe Thunderstorm Warning	LZK	Jefferson	24 min
Mar 29, 8:54 PM CST	Severe Thunderstorm Warning	LZK	Pulaski, Saline	51 min
Mar 29, 9:02 PM CST	Severe Thunderstorm Warning	LZK	Arkansas, Monroe	28 min
Mar 29, 9:34 PM CST	Severe Thunderstorm Warning	LZK	Arkansas	26 min
Mar 29, 10:09 PM CST	Severe Thunderstorm Warning	LZK	Arkansas	51 min
Mar 29, 10:17 PM CST	Flash Flood Warning	LZK	Arkansas	3 hr
Mar 30, 3:38 AM CST	Severe Thunderstorm Warning	LZK	Clark, Hot Spring	22 min
Mar 30, 4:13 AM CST	Severe Thunderstorm Warning	LZK	Hot Spring	32 min
Mar 30, 4:48 AM CST	Severe Thunderstorm Warning	LZK	Jefferson	27 min
Mar 30, 5:05 AM CST	Severe Thunderstorm Warning	LZK	Arkansas	40 min
Mar 30, 5:45 AM CST	Severe Thunderstorm Warning	LZK	Arkansas, Monroe	35 min
Mar 30, 6:27 AM CST	Flash Flood Warning	LZK	Clark, Grant, Hot Spring, Pike	3 hr
Mar 30, 7:08 AM CST	Flash Flood Warning	LZK	Arkansas, Jefferson	2 hr
Mar 30, 10:12 AM CST	Severe Thunderstorm Warning	LZK	Calhoun	28 min
Mar 30, 10:36 AM CST	Severe Thunderstorm Warning	LZK	Bradley	29 min
Mar 30, 10:59 AM CST	Severe Thunderstorm Warning	LZK	Drew	31 min
Mar 30, 11:24 AM CST	Severe Thunderstorm Warning	LZK	Desha	31 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; radar from the NEXRAD Level II archive.