Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 133, NWS Tulsa, OK

May 6, 2000Crawford County, Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 6, 2000, 12:12 AM CDT for Crawford County, Sebastian County, Arkansas. It was in force for 63 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 6, 2000, 12:12 AM CDT (05:12 UTC)
Expired
May 6, 2000, 1:15 AM CDT
In force
63 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Crawford County, AR, Sebastian County, AR

What was reported inside it

TimeReportWhereRemark
May 6, 12:26 AM CDTHail 1Ft Smith, 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, 5.2 hours before the alert went out and 168 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 2000-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2000-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
27 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
-6 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.

000 
WUUS54 KTSA 060512
SVRTUL
ARC033-131-060615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1212 AM CDT SAT MAY 6 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN NORTHWEST ARKANSAS
  NORTHERN SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 115 AM CDT

* AT 1212 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF FORT SMITH...MOVING
  NORTHEAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...RUDY...DYER...
CHESTER...ALMA...VAN BUREN...MOUNTAINBURG...FORT SMITH AND MULBERRY

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

CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE.

LAT...LON 3536 9448 3527 9444 3547 9403 3577 9415

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 5, 9:15 PM CDT, 2 hours 57 minutes earlier.

Area forecast discussion, May 5, 9:15 PM CDT, 2 hours 57 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
915 PM CDT FRI MAY 5 2000

PESKY UPPER LEVEL LOW HAS RESULTED IN A PESKY CLUSTER OF
THUNDERSTORMS OVER NORTHEAST OKLAHOMA THIS EVENING.  EXPECTED THEM
TO DISSIPATE AFTER SUNSET BUT JUST AS THEY LOOK LIKE THEY ARE FADING
THEY PULSE UP AGAIN.  GOING FORECAST DID NOT TIME THE THUNDERSTORMS
TONIGHT AND THAT LOOKS GOOD.  STILL EXPECT WARM ADVECTION STORMSj
LATER TONIGHT OVER THE WHOLE AREA.  THUS...TRENDS OF GOING FORECAST
LOOK GOOD FOR NOW AND WILL HOLD OFF ON AN UPDATE FOR LATER IF AT
ALL.

.TUL...
AR...NONE.
OK...NONE.

ABBAS

In the hours before

Special weather statement, May 5, 8:15 PM CDT, 3 hours 57 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-061200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
815 PM CDT FRI MAY 5 2000

...A FEW SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA
   AND NORTHWEST ARKANSAS TONIGHT...

.SYNOPSIS...
AN UPPER LEVEL LOW PRESSURE SYSTEM LOCATED OVER FAR NORTHEAST
OKLAHOMA EARLY THIS EVENING WILL DRIFT VERY SLOWLY NORTH INTO
SOUTHEAST KANSAS AND SOUTHWEST MISSOURI TONIGHT. SOUTHERLY FLOW AT
THE SURFACE WILL CONTINUE THROUGH TONIGHT.

.PRIMARY HAZARD...
WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS
EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS EVENING.  MORE
THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE TONIGHT.  A FEW OF THE
THUNDERSTORMS ARE EXPECTED TO BE SEVERE WITH LARGE HAIL AND DAMAGING
WIND.

.DISCUSSION...
A MOIST AND SOMEWHAT UNSTABLE AIRMASS COMBINED WITH COLD AIR ALOFT
ASSOCIATED WITH THE UPPER LOW HAS RESULTED IN THE WIDELY SCATTERED
THUNDERSTORMS THIS EVENING.

OVERNIGHT...THE LOW LEVEL JET WILL INCREASE TO AROUND 50 KNOTS FROM
CENTRAL TEXAS INTO WESTERN AND CENTRAL OKLAHOMA. STRONG WARM AIR AND
MOISTURE ADVECTION AROUND 5000 TO 10000 FEET ABOVE THE GROUND WILL
RESULT IN CONTINUED INSTABILITY AND STRONG VEERING OF THE WINDS WITH
HEIGHT.

MORE NUMEROUS THUNDERSTORMS ARE EXPECTED TO BEGIN DEVELOPING JUST
AFTER MIDNIGHT IN EASTERN OKLAHOMA. THUNDERSTORMS THIS EVENING AND
OVERNIGHT WILL BE CAPABLE OF PRODUCING LARGE HAIL AROUND 1 INCH IN
DIAMETER.

.SPOTTER ACTIVATION...
EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER GROUPS SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION TONIGHT.

A GRAPHICAL VERSION OF THE HAZARDOUS WEATHER OUTLOOK IS ALSO
AVAILABLE. THIS PRODUCT AS WELL AS OTHER DETAILED FORECASTS ARE
AVAILABLE AT HTTP://WWW.NWSTULSA.NOAA.GOV/
Local storm report, May 5, 10:28 PM CDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1028 PM CDT FRI MAY 05 2000

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

0815 PM    12 NE BEGGS               OK    1.75 INCH HAIL
05/05/00   OKMULGEE                        SPOTTER REPORT OF
                                           GOLFBALL SIZED HAIL.

0848 PM    TULSA                     OK    .75 INCH HAIL
05/05/00   TULSA                           HAM RADIO REPORT OF
                                           DIME SIZED HAIL
                                           COVERING THE GROUND IN
                                           WEST TULSA.

0851 PM    TULSA                     OK    .88 INCH HAIL
05/05/00   TULSA                           PUBLIC REPORT OF NICKEL
                                           SIZED HAIL AT 71ST AND
                                           LEWIS.

0852 PM    TULSA                     OK    1 INCH HAIL
05/05/00   TULSA                           QUARTER SIZED HAIL
                                           REPORTED BY TELEVISION
                                           METEOROLOGIST AT 67TH
                                           AND PEORIA.

0853 PM    TULSA                     OK    .88 INCH HAIL
05/05/00   TULSA                           NICKEL SIZED HAIL
                                           REPORTED BY OFF DUTY
                                           NWS EMPLOYEE AT 91ST
                                           AND DELAWARE.

0904 PM    TULSA                     OK    1 INCH HAIL
05/05/00   TULSA                           MEDIA REPORT OF QUARTER
                                           SIZED HAIL AT 91ST AND
                                           SHERIDAN.

0908 PM    TULSA                     OK    1 INCH HAIL
05/05/00   TULSA                           QUARTER SIZED HAIL
                                           REPORTED BY OFF DUTY
                                           NWS EMPLOYEE AT 81ST
                                           AND MEMORIAL.

0908 PM    TULSA                     OK    2.75 INCH HAIL
05/05/00   TULSA                           HAM RADIO REPORT OF
                                           BASEBALL SIZED HAIL AT
                                           81ST AND YALE.

0910 PM    TULSA                     OK    1.75 INCH HAIL
05/05/00   TULSA                           GOLFBALL SIZED HAIL
                                           REPORTED BY OFF DUTY
                                           NWS EMPLOYEE AT 81ST
                                           AND SHERIDAN.

0916 PM    TULSA                     OK    1.75 INCH HAIL
05/05/00   TULSA                           PUBLIC REPORT OF
                                           GOLFBALL SIZED HAIL AT
                                           91ST AND MEMORIAL.

DRM
Local storm report, May 5, 10:31 PM CDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1031 PM CDT FRI MAY 05 2000

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

1015 PM    2 N BOYNTON               OK    2.5 INCH HAIL
05/05/00   MUSKOGEE                        TELEVISION STATION
                                           SPOTTERS REPORTED
                                           GOLFBALL TO TENNIS BALZL
                                           SIZED HAIL.

DRM
Local storm report, May 5, 10:51 PM CDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1051 PM CDT FRI MAY 5 2000

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

0935 PM    MUSKOGEE                  OK    .75 INCH HAIL
05/05/00   MUSKOGEE                        DIME SIZED HAIL
                                           REPORTED BY CIVIL
                                           DEFENSE.

0935 PM    COUNCIL HILL              OK    .75 INCH HAIL
05/05/00   MUSKOGEE                        CIVIL DEFENSE REPORT OF
                                           DIME SIZED HAIL.

1044 PM    3 SW SUMMIT               OK    1.75 INCH HAIL
05/05/00   eMUSKOGEE                        TELEVISION STATION
                                           SPOTTERS REPORTED
                                           GOLFBALL SIZED HAIL.
Local storm report, May 5, 11:48 PM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT...DELAYED REPORT
NATIONAL WEATHER SERVICE TULSA OK
1148 PM CDT FRI MAY 5 2000

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

0239 PM    MC ALESTER                OK    .75 INCH HAIL
05/05/00   PITTSBURG                       CIVIL DEFENSE REPORT OF
                                           DIME SIZED HAIL IN NW
                                           MCALESTER.

DRM

Nearby

Severe Thunderstorm Warnings in Arkansas, 2000Every severe thunderstorm warning in 2000

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.