Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 244, NWS Tulsa, OK

May 30, 2001Crawford County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 30, 2001, 10:17 PM CDT for Crawford County, Arkansas. It was in force for 28 min. 1 report came from 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, with what was reported inside it.

The facts

Issued
May 30, 2001, 10:17 PM CDT (03:17 UTC)
Expired
May 30, 2001, 10:45 PM CDT
In force
28 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Crawford County, AR

The radar

The Western Arkansas radar (KSRX), 30 km from the middle of the area, began a volume at 03:20 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.

What was reported inside it

TimeReportWhereRemark
May 30, 10:20 PM CDTHail 0.75Alma, AR

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.3 hours before the alert went out and 156 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2001-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 375 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2001-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
375 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
307 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 310318
SVRTUL
ARC033-310345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1017 PM CDT WED MAY 30 2001

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN NORTHWEST ARKANSAS

* UNTIL 1045 PM CDT

* AT 1017 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER
  RUDY...MOVING EAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH >OF THIS STORM INCLUDE...DYER...
  CEDARVILLE...ALMA...MOUNTAINBURG AND MULBERRY.

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

LAT...LON 3558 9437 3544 9436 3548 9406 3565 9410

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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 30, 9:22 PM CDT, 55 minutes earlier.

Area forecast discussion, May 30, 9:22 PM CDT, 55 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
922 PM CDT WED MAY 30 2001

NEW SEVERE THUNDERSTORM WATCH JUST ISSUED FOR SE OK VALID UNTIL 100
AM.  THIS REPLACES THE TORNADO WATCH.

ISOLATED SUPERCELLS CONTINUE ALONG/JUST N OF OUTFLOW BOUNDARY ACROSS
SE OK.  DIRECTIONAL SHEAR REMAINS MARGINAL...BUT DEGREE OF
INSTABILITY WILL SUPPORT SEVERE STORMS FOR THE NEXT SEVERAL HOURS.
STORMS ARE SHOWING A GRADUAL SEWD DRIFT WHICH WILL PUT THEM INTO FAR
SE OK LATER THIS EVENING.

ISOLATED ACTIVITY FARTHER N ALONG COLD FRONT HAS BEEN MARGINALLY
SEVERE.

UPDATED ZONES OUT ASAP.

FCSTID = 18

.TSA...
AR...NONE.
OK...SEVERpE THUNDERSTORM WATCH UNTIL 100 AM CDT THURSDAY FOR ZONES
OKZ049...OKZ053...OKZ072>076.

In the hours before

Local storm report, May 30, 7:51 PM CDT, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
751 PM CDT WED MAY 30 2001

....DELAYED REPORTS....

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

1140 PM    BURBANK                   OK    WIND DAMAGE
05/29/01   OSAGE                           LARGE TREE LIMBS BROKEN

1150 PM    FORAKER                   OK    60 MPH TSTM GUST
05/29/01   OSAGE

1150 PM    FORAKER                   OK    1 INCH HAIL
05/29/01   OSAGE

0500 AM    6 SSW PETTIT              OK    FLOOD
05/30/01   CHEROKEE                        INDIAN ROAD FLOODED

0908 AM    BOX                       OK    FLOOD
05/30/01   SEQUOYAH                        FLOODED ROADS VCNTY BOX

0915 AM    HENRYETTA                 OK    FLOOD
05/30/01   OKMULGEE                        MANY AREA ROADS

0925 AM    OKEMAH                    OK    FLOOD
05/30/01   OKFUSKEE                        AREA ROADS
Local storm report, May 30, 9:06 PM CDT, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
906PM CDT WED MAY 30 2001

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

0825 PM    1 N HIGGINS               OK    1 INCH HAIL
05/30/01   LATIMER                         EMERGENCY MANAGEMENT
                                           REPORT

0845 PM    6 S WILBURTON             OK    1.75 INCH HAIL
05/30/01   LATIMER                         EMERGENCY MANAGEMENT
                                           REPORT

DRM
Local storm report, May 30, 9:33 PM CDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
933 PM CDT WED MAY 30 2001

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

0825 PM    1 N HIGGINS               OK    1 INCH HAIL
05/30/01   LATIMER                         REPORTED BY WILBURTON
                                           EOC.

0845 PM    6 S WILBURTON             OK    1.75 INCH HAIL
05/30/01   LATIMER                         REPORTED BY WILBURTON
                                           EOC.

0850 PM    KIOWA                     OK    1.25 INCH HAIL
05/30/01   PITTSBURG                       REPORTED BY MCALESTER
                    q                       EOC.

DRM
Local storm report, May 30, 9:54 PM CDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
954 PM CDT WED MAY 30 2001

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

0930 PM    1 SE YANUSH               OK    TORNADO
05/30/01   LATIMER                         BRIEF TOUCHDOWN.
                                           EMERGENCY MANAGEMENT
                                           REPORT.

DRM
Local storm report, May 30, 10:06 PM CDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1006 PM CDT WED MAY 30 2001

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....
g
0950 PM    BLANCO                    OK    .75 INCH HAIL
05/30/01   PITTSBURG                       PUBLIC REPORT

DRM

Nearby

Severe Thunderstorm Warnings in Arkansas, 2001Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.