Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 121, NWS Tulsa, OK

April 23, 2000Benton County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 23, 2000, 6:58 PM CDT for Benton County, Arkansas. It was in force for 62 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
Apr 23, 2000, 6:58 PM CDT (23:58 UTC)
Expired
Apr 23, 2000, 8:00 PM CDT
In force
62 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Benton County, AR

The radar

The Tulsa radar (KINX), 110 km from the middle of the area, began a volume at 00:03 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 12.0 hours before the alert went out and 69 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 12:00Z on 2000-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2000-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1518 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
428 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.

951 
WUUS54 KTSA 232359
SVRTUL
ARC007-240100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
658 PM CDT SUN APR 23 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

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

* UNTIL 800 PM CDT

* AT 658 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES NORTH OF GRAVETTE...MOVING SOUTHEAST AT
  5 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BELLA VISTA...
HIWASSE...DECATUR AND GRAVETTE.

HAIL TO THE SIZE OF NICKLES 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 3648 9458 3632 9447 3645 9420 3683 9420

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 Apr 23, 3:45 PM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, Apr 23, 3:45 PM CDT, 3 hours 13 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
345 PM CDT SUN APR 23 2000

VERY IMPRESSIVE STORMS ON RADAR THIS AFTERNOON WITH TORNADO THREAT
CONTINUING IN THE SOUTHEAST PART OF THE AREA.  THREAT WILL BE
SHIFTING OFF TO THE EAST AND SOUTHEAST OF THE AREA THRU THE EARLY
EVENING HOURS AS UPPER SYSTEM MOVING ACROSS THE AREA TRANSLATES ON
EASTWARD.  MEANWHILE...OVER NORTHEAST OK SEVERE WEATHER ALSO ONGOING
LATE THIS AFTERNOON ASSOCIATED WITH COLD POOL ALOFT AND THREAT OF
HAIL.  ALSO HEAVY RAIN THREAT WITH STORMS UNDER THE UPPER LOW IN
NORTHEAST OK.  LOSS OF DAYTIME HEATING IN A FEW HOURS SHOULD WEAKEN
STORMS IN THIS AREA...SO THREAT OF SEVERE WX SHOULD DIMINISH OR SHIFT
OUT OF THE AREA DURING THE EARLY EVENING HOURS.

ONCE THIS SYSTEM MOVES OFF TO THE EAST THIS EVENING SHOULD SEE
GENERAL NORTHWEST FLOW ALOFT FOR A FEW DAYS AND QUIET WEATHER.  WEAK
IMPULSE WILL BRUSH BY TO THE NORTH LATE MONDAY OR EARLY TUESDAY..BUT
EXPECT ANY ASSOCIATED PRECIP TO ALSO STAY TO THE NORTH.  TEMPS OVER
THE NEXT SEVERAL DAYS LOOK RATHER SEASONAL WITH NEXT MAJOR SYSTEM TO
AFFECT THE AREA STILL JUST BEYOND THIS FORECAST.

FCSTID = 4
TUL   52  72  48  73 /  30   0   0  10
FSM   54  72  46  74 /  30   0   0  10
MLC   53  72  48  75 /  30   0   0  10
BVO   50  70  43  71 /  30   0   0  10
FYV   50  68  42  70 /  30   0   0  10
BYV   50  68  42  70 /  30   0   0  10
MIO   50  69  43  71 /  30   0   0  10
MKO   53  72  48  73 /  30   0   0  10
F10   53  72  48  73 /  30   0   0  10
HHW   55  74  52  78 /  30   0   0  10

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

In the hours before

Local storm report, Apr 23, 4:25 PM CDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
425 PM CDT SUN APR 23 2000

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

0405 PM    1 E DEWEY                 OK    .75 INCH HAIL
04/23/00   WASHINGTON                      SPOTTER REPORT.

0405 PM    BUNCH                     OK    1 INCH HAIL
04/23/00   ADAIR                           LAW ENFORCEMENT REPORT.

X0415 PM    KEEFETON                  OK    .75 INCH HAIL
04/23/00   MUSKOGEE                        EMERGENCY MANAGEMENT
                                           REPORT.

DRM
Local storm report, Apr 23, 5:05 PM CDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
505 PM CDT SUN APR 23 2000

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

0455 PM    6 E CHECOTAH              OK    1 INCH HAIL
04/23/00   MCINTOSH                        EMERGENCY MANAGEMENT
                                           REPORT.

0457 PM    4 E CHECOTAH              OK    1.75 INCH HAIL
04/23/00   MCINTOSH                        EMERGENCY MANAGEMENT
                                           REPORT.
Local storm report, Apr 23, 5:42 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
542 PM CDT SUN APR 23 2000

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

0450 PM    WELTY                     OK    .75 INCH HAIL
04/23/00   OKFUSKEE                        EMERGENCY MANAGEMENT
                                           REPORT.

0515 PM    1 E CENTRALIA             OK    .75 INCH HAIL
04/23/00   CRAIG                           EMERGENCY MANAGEMENT
                                           REPORT.

0515 PM    OKFUSKEE                  OK    .75 INCH HAIL
04/23/00   OKFUSKEE                        EMERGENCY MANAGEMENT
                                           REPORT.

0527 PM    TULSA                     OK    .75 INCH HAIL
04/23/00   TULSA                           61ST AND LEWIS IN
                                           TULSA.  PUBLIC REPORT.
Local storm report, Apr 23, 5:49 PM CDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
549 PM CDT SUN APR 23 2000

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

0545 PM    OKMULGEE                  OK    1 INCH HAIL
04/23/00   OKMULGEE                        SPOTTER REPORT.
Local storm report, Apr 23, 6:26 PM CDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
626 PM CDT SUN APR 23 2000

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

a0611 PM    SALEM                     OK    1 INCH HAIL
04/23/00   MCINTOSH                        EMERGENCY MANAGEMENT
                                           REPORT.
Local storm report, Apr 23, 6:26 PM CDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE TULSA OK
626 PM CDT SUN APR 23 2000

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

0405 PM    8 NNW BUNCH               OK    1 INCH HAIL
04/23/00   ADAIR                           LAW ENFORCEMENT REPORT.
                                           CORRECTED LOCATION.
                                           P@REVIOUSLY REPORTED IN
                                           BUNCH.

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.