Alert archive / Arkansas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 403, NWS Little Rock, AR

August 2, 20035 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 2, 2003, 4:09 AM CDT for 5 counties in Arkansas. It was in force for 76 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 2, 2003, 4:09 AM CDT (09:09 UTC)
Expired: Aug 2, 2003, 5:25 AM CDT
In force: 76 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

Counties Baxter County, AR, Boone County, AR, Fulton County, AR, Izard County, AR, Marion County, AR

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 2, 1:05 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 9.2 hours before the alert went out and 146 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: 483 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1986 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 2, 3:38 AM CDT, 31 minutes earlier.

Area forecast discussion, Aug 2, 3:38 AM CDT, 31 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
338 AM CDT SAT AUG 2 2003

OF MAIN CONCERN THIS AM ARE TSTMS TODAY. A SERIES OF UPPER LEVEL
TROUGHS WILL CONTINUE TO MOVE ACROSS OUR REGION UNDER A CONTINUING
NORTHWEST FLOW ALOFT FOR THE NEXT SEVERAL DAYS. TEMPS WILL CONTINUE
IN THE WARM TO HOT CATEGORY AND NEAR NORMAL.

FCSTID =   38
HRO   86  67  88  69 /  50  20  20  20
LIT   91  72  90  72 /  50  30  30  20
HOT   91  73  91  72 /  50  30  30  20
PBF   93  74  92  72 /  40  30  30  20

.LZK...NONE.

Hazardous weather outlook, Aug 1, 11:45 PM CDT, 4 hours 24 minutes before

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-021000-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1145 PM CDT FRI AUG 1 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVERNIGHT...ACROSS AN
AREA ALONG AND NORTH OF A LINE FROM MENA...TO LITTLE ROCK...TO
BRINKLEY.

ANOTHER AREA OF THUNDERSTORMS MAY SLIDE SOUTHEASTWARD INTO ARKANSAS
DURING THE LATE NIGHT HOURS. DAMAGING WINDS AND LARGE HAIL WILL BE
POSSIBLE WITH THESE STORMS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
CLUSTERS OF STORMS MAY STILL AFFECT MUCH OF THE AREA SATURDAY
MORNING...BEFORE WEAKENING SATURDAY AFTERNOON. STORMS ASSOCIATED
WITH THESE STORMS WILL BE CAPABLE OF STRONG WIND GUSTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED FROM LATE TONIGHT UNTIL ABOUT
MID-AFTERNOON SATURDAY.

28

In the hours before

Special weather statement, Aug 1, 10:25 PM CDT, 5 hours 44 minutes before

ARZ016-021>025-030>034-020400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1025 PM CDT FRI AUG 1 2003

SEVERE THUNDERSTORM WATCH NUMNBER 828 THAT WAS ISSUED EARLIER
TONIGHT HAS BEEN CANCELLED AND IS NO LONGER IN EFFECT.

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER PARTS OF
NORTHERN AND WESTERN ARKANSAS THROUGH AT LEAST MIDNIGHT.

22

Local storm report, Aug 2, 1:05 AM CDT, 3 hours 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
105 AM CDT SAT AUG 2 2003

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

1035 PM    MENA                      AR   WIND DAMAGE
08/01/03   POLK                           TREES AND POWER LINES
                                          DOWN. REPORTED BY LAW
                                          ENFORCEMENT.

1218 AM    2 S MURFREESBORO          AR   WIND DAMAGE
08/02/03   PIKE                           TREES DOWN. REPORTED BY
                                          LAW ENFORCEMENT.

44

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 9:25 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Scott	45 min
Aug 1, 10:36 PM CDT	Severe Thunderstorm Warning	LZK	Polk	44 min
Aug 1, 11:56 PM CDT	Severe Thunderstorm Warning	LZK	Pike	39 min
Aug 2, 4:52 AM CDT	Severe Thunderstorm Warning	LZK	Searcy, Stone	58 min
Aug 2, 5:00 AM CDT	Severe Thunderstorm Warning	LZK	Sharp	50 min
Aug 2, 5:27 AM CDT	Severe Thunderstorm Warning	LZK	Boone	43 min
Aug 2, 6:24 AM CDT	Flash Flood Warning	LZK	Boone	2 hr
Aug 2, 7:46 AM CDT	Severe Thunderstorm Warning	LZK	Jackson	39 min
Aug 2, 9:24 AM CDT	Flash Flood Warning	LZK	Jackson	2 hr
Aug 2, 11:59 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas	36 min
Aug 2, 12:33 PM CDT	Severe Thunderstorm Warning	LZK	Lincoln	42 min
Aug 2, 1:42 PM CDT	Severe Thunderstorm Warning	LZK	Bradley	33 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2003 Every severe thunderstorm warning in 2003

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.