Alert archive / Arkansas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 39, NWS Little Rock, AR

April 6, 2003Logan County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 6, 2003, 4:12 PM CDT for Logan 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: Apr 6, 2003, 4:12 PM CDT (21:12 UTC)
Expired: Apr 6, 2003, 4:40 PM CDT
In force: 28 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

County Logan County, AR

The radar

The Western Arkansas radar (KSRX), 69 km from the middle of the area, began a volume at 21:13 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 6, 2:55 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.2 hours before the alert went out and 181 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 251 m²/s²
0-3 km storm-relative helicity: 1244 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

660 
WUUS54 KLZK 062112
SVRLIT
ARC083-062140-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
412 PM CDT SUN APR 6 2003

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LOGAN COUNTY IN WESTERN ARKANSAS

* UNTIL 440 PM CDT

* AT 405 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF PARIS...OR ABOUT 16 MILES
  EAST OF CHARLESTON...MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL NORTHEASTERN LOGAN COUNTY AROUND 430 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 IN LITTLE ROCK.

LAT...LON 3541 9354 3532 9329 3517 9371 3532 9379
          3541 9349

$$

32

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 Apr 6, 4:00 PM CDT, 12 minutes earlier.

Area forecast discussion, Apr 6, 4:00 PM CDT, 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
400 PM CDT SUN APR 6 2003

KLZK RADAR SHOWS SHOWERS AND THUNDERSTORMS ACROSS MUCH OF THE AREA.
A WARM FRONT ACROSS SOUTHERN ARKANSAS HAS PRODUCED A WIDE RANGE OF
TEMPERATURES ACROSS THE CWA. THE SEVERE THUNDERSTORM CHANCE SHOULD
NOT LAST PAST MIDNIGHT ACROSS MUCH OF THE AREA. THE COLD FRONT
ACROSS OKLAHOMA WILL MOVE THROUGH ARKANSAS BY MONDAY MORNING.

HIGH PRESSURE MOVES IN FOR MONDAY. HOWEVER A LOW WILL MOVE UP FROM
THE TEXAS COAST AND BRING A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS MONDAY NIGHT AND TUESDAY. HIGH PRESSURE WILL MOVE IN
AND TUESDAY NIGHT THROUGH SUNDAY SHOULD BE MOSTLY CLEAR.

HAD TO GO MUCH LOWER THAN THE MAV TEMPERATURES. MODELS HAVE NOT
PICKED UP ON THE COLD AIR YET APPARENTLY.

HRO   36  60  34  50 /  70   5  20  20
LIT   40  73  42  55 /  80   5  20  20
HOT   41  73  42  56 /  80   5  20  20
PBF   44  76  45  57 /  90  10  20  20

.LZK...NONE.

Hazardous weather outlook, Apr 6, 5:00 AM CDT, 11 hours 12 minutes before

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-071000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT SUN APR 6 2003

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

.DAY ONE...TODAY AND TONIGHT

EARLY THIS MORNING...A STATIONARY FRONT WAS LOCATED JUST TO THE
SOUTH OF ARKANSAS. THE BOUNDARY IS FORECAST TO RETURN SLOWLY
NORTHWARD BACK INTO THE STATE LATER TODAY AS LOW PRESSURE TRACKS
EASTWARD FROM OKLAHOMA. SHOWERS AND THUNDERSTORMS WILL BE ON THE
INCREASE TODAY AS THE WARM FRONT LIFTS SLOWLY NORTHWARD.

BY THIS AFTERNOON AND EVENING...ADDITIONAL SHOWERS AND THUNDERSTORMS
ARE FORECAST TO DEVELOP IN THE WARM AND UNSTABLE AIRMASS SOUTH OF
THE WARM FRONT ACROSS CENTRAL AND SOUTHERN ARKANSAS. SOME OF THESE
STORMS WILL LIKELY BECOME SEVERE WITH LARGE HAIL...DAMAGING WINDS
AND ISOLATED TORNADOES POSSIBLE.

OVER NORTHERN ARKANSAS...THE GREATEST SEVERE WEATHER THREAT TODAY
AND EARLY TONIGHT IS LIKELY TO BE LARGE HAIL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY TO BE REQUIRED LATER TODAY AND EARLY
TONIGHT...ESPECIALLY OVER THE SOUTHERN HALF OF ARKANSAS.

44

In the hours before

Local storm report, Apr 6, 11:30 AM CDT, 4 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1130 AM CDT SUN APR 06 2003

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

1000 AM    4 SW FRESNO               AR   .88 INCH HAIL
04/06/03   LINCOLN                        NICKEL SIZE HAIL AT
                                          CANE CREEK STATE PARK.

28

Local storm report, Apr 6, 11:50 AM CDT, 4 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1150 AM CDT SUN APR 06 2003

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

1038 AM    CASSCOE                   AR   1.75 INCH HAIL
04/06/03   ARKANSAS                       REPORTED BY PUBLIC.

1050 AM    HOLLY GROVE               AR   1.75 INCH HAIL
04/06/03   MONROE                         REPORTED BY PUBLIC.

28

Local storm report, Apr 6, 12:03 PM CDT, 4 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1203 PM CDT SUN APR 06 2003

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

1153 AM    3 S EDGEMONT              AR   .88 INCH HAIL
04/06/03   CLEBURNE                       REPORTED BY STORM
                                          SPOTTER.

28

Local storm report, Apr 6, 1:40 PM CDT, 2 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK, AR
140 PM CDT SUN APR 6 2003

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

1015 AM    LODGES CORNERS            AR   WIND DAMAGE
04/06/03   ARKANSAS                       CAR BLOWN OFF THE HIGHWAY
                                          AND OVERTURNED.

22

Local storm report, Apr 6, 2:21 PM CDT, 1 hour 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK, AR
221 PM CDT SUN APR 6 2003

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

1025 AM    1 SE ALMYRA               AR   2.75 INCH HAIL
04/06/03   ARKANSAS                       PUBLIC REPORTS OF HAIL UP
                                          TO BASEBALL SIZE JUST
                                          SOUTHEAST OF ALMYRA. HAIL
                                          COVERED THE GROUND...BROKE
                                          WINDSHIELDS... AND DENTED
                                          CARS. SOME HAIL WAS STILL
                                          ON THE GROUND 4 HOURS
                                          LATER.

Local storm report, Apr 6, 3:00 PM CDT, 1 hour 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK, AR
300 PM CDT SUN APR 6 2003

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

1015 AM    2 N REYDELL               AR   .75 INCH HAIL
04/06/03   JEFFERSON                      REPORTED BY
                                          STORM SPOTTER

1125 AM    3 W CABOT                 AR   .75 INCH HAIL
04/06/03   LONOKE                         REPORTED BY
                                          PUBLIC

1125 AM    7 NNE JACKSONVILLE        AR   .75 INCH HAIL
04/06/03   PULASKI                        REPORTED BY
                                          PUBLIC

22

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:50 AM CDT	Severe Thunderstorm Warning	LZK	Bradley	40 min
Apr 6, 9:23 AM CDT	Severe Thunderstorm Warning	LZK	Drew	27 min
Apr 6, 9:37 AM CDT	Severe Thunderstorm Warning	LZK	Lincoln	33 min
Apr 6, 10:03 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Jefferson	32 min
Apr 6, 10:34 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Monroe	31 min
Apr 6, 10:45 AM CDT	Severe Thunderstorm Warning	LZK	Pulaski	30 min
Apr 6, 11:17 AM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Pulaski, White	38 min
Apr 6, 2:19 PM CDT	Severe Thunderstorm Warning	LZK	Bradley	41 min
Apr 6, 3:28 PM CDT	Severe Thunderstorm Warning	LZK	Scott	32 min
Apr 6, 3:59 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Van Buren	31 min
Apr 6, 4:01 PM CDT	Severe Thunderstorm Warning	LZK	Conway, Van Buren	29 min
Apr 6, 4:22 PM CDT	Severe Thunderstorm Warning	LZK	Polk	28 min
Apr 6, 4:34 PM CDT	Severe Thunderstorm Warning	LZK	Johnson	31 min
Apr 6, 4:48 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk	47 min
Apr 6, 4:54 PM CDT	Severe Thunderstorm Warning	LZK	Newton, Pope, Searcy	51 min
Apr 6, 5:35 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Perry	35 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; radar from the NEXRAD Level II archive.