Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 113, NWS Little Rock, AR

May 18, 2001Clark County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at May 18, 2001, 7:48 PM CDT for Clark County, Arkansas. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: May 18, 2001, 7:48 PM CDT (00:48 UTC)
Expired: May 18, 2001, 8:25 PM CDT
In force: 37 min
Issued by: NWS Little Rock, AR
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Clark County, AR

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.8 hours before the alert went out and 175 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: 1422 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1440 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

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

083 
WUUS54 KLZK 190049
SVRLIT
ARC019-190125-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
748 PM CDT FRI MAY 18 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARK COUNTY IN SOUTHWEST ARKANSAS

* UNTIL 825 PM CDT

* AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 3 MILES WEST OF GURDON...MOVING EAST AT 30   
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GURDON AROUND 755 PM CDT

&&

THE MAIN THREAT WITH THIS STORM IS DIME SIZE HAIL OR LARGER. THE HAIL
MAY CAUSE SOME VEHICLE OR ROOF DAMAGE. STRONG AND GUSTY WINDS CAN
ALSO BE EXPECTED WITH THIS STORM. FOR YOUR PROTECTION...GO INDOORS
UNTIL THE STORM HAS PASSED.

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

LAT...LON 3380 9263 3383 9290 3386 9288 3388 9291
          3391 9290 3398 9297 3402 9289 3402 9322
          3385 9324

$$

46

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 May 18, 3:50 PM CDT, 3 hours 58 minutes earlier.

Area forecast discussion, May 18, 3:50 PM CDT, 3 hours 58 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
350 PM CDT FRI MAY 18 2001

MCS RAPIDLY FELL APART IN WESTERN ARKANSAS THIS MORNING...BUT UPPER
LEVEL SYSTEM ASSOCIATED WITH MCS RATHER STRONG AND ALONG
ARKANSAS/MISSOURI BORDER THIS AFTERNOON. COLD FRONT ALSO MOVING INTO
STATE FROM NORTHWEST. SCATTERED STORMS FLARED UP AHEAD OF
SYSTEM/FRONT...WITH SEVERE THUNDERSTORM WATCH POSTED IN NORTHERN SECTIONS
OF THE STATE UNTIL 9 PM.

OVERNIGHT...IN ADDITION TO SYSTEM/FRONT...UPPER LEVEL SYSTEM
WILL MOVE OVER ARKANSAS FROM OKLAHOMA. SCATTERED SHOWERS AND
THUNDERSTORMS POSSIBLE NORTH AND WEST THIS EVENING...THEN DRY.
FARTHER SOUTH/EAST...SYSTEM SLOW TO PUSH THROUGH...SO CHANCE OF
PRECIPITATION MENTIONED ALL NIGHT.

BY SATURDAY...LOOKS LIKE FRONT PUSHING TO SOUTH AND UPPER SYSTEM TO
EAST. DRIER AIR LEFT BEHIND AND REMOVED MENTION OF THUNDERSHOWERS IN
NORTHERN ARKANSAS. IN CENTRAL/SOUTH...AFTERNOON HEATING MAY TRIGGER
A FEW THUNDERSHOWERS...BUT MOST AREAS WILL REMAIN DRY.

LOOKING AHEAD...FRONT WILL MOVE BACK TO THE NORTH SATURDAY
NIGHT/SUNDAY WITH GOOD CHANCE OF SHOWERS/THUNDERSTORMS. SUNDAY
NIGHT/MONDAY...STRONG COLD FRONT WILL ARDRIVE FROM PLAINS WITH
SHOWERS AND THUNDERSTORMS LIKELY AGAIN. DRIER/COOLER AIR EXPECTED
BEHIND LATTER FRONT. (46)

.LIT...NONE

In the hours before

Special weather statement, May 18, 4:58 PM CDT, 2 hours 50 minutes before

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-191000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
458 PM CDT FRI MAY 18 2001

...SLIGHT RISK OF SEVERE WEATHER THIS EVENING...

THERE IS A SLIGHT RISK OF SEVERE WEATHER OVER MUCH OF ARKANSAS
THIS EVENING...

A COLD FRONT WILL CONTINUE TO MOVE SOUTH INTO NORTHWEST ARKANSAS
THIS AFTERNOON. A FEW SEVERE THUNDERSTORMS MAY DEVELOP ALONG AND
AHEAD OF THIS FRONT LATE THIS AFTERNOON AND EARLY TONIGHT. THE STORMS
SHOULD WEAKEN SOMEWHAT LATER TONIGHT ONCE THE DAYTIME HEATING IS
LOST.

THE MAIN SEVERE WEATHER THREAT WITH THESE STORMS WILL BE LARGE HAIL
AND DAMAGING WIND GUSTS.

STORM SPOTTERS...AMATEUR RADIO OPERATORS...AND EMERGENCY MANAGERS
ACROSS MUCH OF ARKANSAS MAY NEED TO BE ACTIVATED THIS EVENING.

45

Local storm report, May 18, 5:25 PM CDT, 2 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
525 PM CDT FRI MAY 18 2001

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

Local storm report, May 18, 5:28 PM CDT, 2 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
528 PM CDT FRI MAY 18 2001

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

0330 PM    1 W GLENCOE               AR   1 INCH HAIL
05/18/01   FULTON                         HAIL COVERED THE
                                          GROUND. REPORTED BY
                                          STORM SPOTTER.

Local storm report, May 18, 5:31 PM CDT, 2 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
531 PM CDT FRI MAY 18 2001

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

0330 PM    1 W GLENCOE               AR   1 INCH HAIL
05/18/01   FULTON                         HAIL COVERED THE
                                          GROUND. REPORTED BY
                                          STORM SPOTTER.

Local storm report, May 18, 5:34 PM CDT, 2 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
534 PM CDT FRI MAY 18 2001

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

0320 PM    2 SW HORSESHOE BEND ARPT  AR   .75 INCH HAIL
05/18/01   IZARD                          REPORTED BY PUBLIC.

Local storm report, May 18, 6:51 PM CDT, 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
651 PM CDT FRI MAY 18 2001

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

0640 PM    PLAINVIEW                 AR   1 INCH HAIL
05/18/01   YELL                           HAIL TO THE SIZE OF
                                          QUARTERS NEARLY
                                          COVERING THE GROUND.
                                          REPORTED BY STORM
                                          SPOTTER.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:02 PM CDT	Severe Thunderstorm Warning	LZK	Jefferson	38 min
May 18, 8:10 PM CDT	Severe Thunderstorm Warning	LZK	Pike	30 min
May 18, 8:57 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland	33 min
May 18, 9:42 PM CDT	Severe Thunderstorm Warning	LZK	Ouachita	48 min
May 18, 9:55 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun	50 min
May 18, 10:42 PM CDT	Severe Thunderstorm Warning	LZK	Bradley	48 min
May 18, 10:45 PM CDT	Severe Thunderstorm Warning	LZK	Calhoun	20 min
May 19, 12:27 AM CDT	Severe Thunderstorm Warning	LZK	Bradley	48 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2001 Every severe thunderstorm warning in 2001

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.