Alert archive / Arkansas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 262, NWS Tulsa, OK

May 17, 1999Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 17, 1999, 3:42 PM CDT for Sebastian County, Arkansas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 17, 1999, 3:42 PM CDT (20:42 UTC)
Expired
May 17, 1999, 4:30 PM CDT
In force
48 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Sebastian County, AR

The watch it was issued in

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

IssuedProductOfficeLasted
May 17, 11:30 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.7 hours before the alert went out and 194 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 1999-05-17Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1999-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -88 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
1332 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-88 m²/s²
0-3 km storm-relative helicity
-53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 17, 11:10 AM CDT, 4 hours 32 minutes earlier.

Area forecast discussion, May 17, 11:10 AM CDT, 4 hours 32 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION...RETRAN
NATIONAL WEATHER SERVICE TULSA OK
1110 AM CDT MON MAY 17 1999

WILL WAIT TO BETWEEN 1130 AM AND NOON TO UPDATE AS DO NOT KNOW WHEN
OR IF SPC IS GOING TO ISSUE WATCH.  UPDATE WILL TRY TO CURB THE
MORNING AND AFTERNOON WORDING IN CURRENT ZONES.  UPDATE WILL ALSO
INCORPORATE CURRENT RADAR TRENDS.  BAND OF THUNDERSTORMS EXTENDS
FROM NORTHWEST ARKANSAS INTO EAST CENTRAL OKLAHOMA AND CONTINUES TO
PUSH EAST.  THINK THERE IS SOME CHANCE OF REDEVELOPMENT TO THE WEST
AS LOCATION OF THE COLD FRONT IS MUDDLED DUE TO THE THUNDERSTORMS.
WIND SHIFTED TO THE NORTH WITH THE LINE OF STORMS BUT HAS VEERED
AROUND TO THE SOUTHEAST BEHIND THE LINE.

CLOUD COVER ALSO A PROBLEM AS BREAKS OCCURRING TO THE SOUTH OF AND
TO THE WEST OF THE THUNDERSTORMS COMPLEX WILL PROBABLY GO WITH
PARTLY CLOUDY WHERE THUNDERSTORM CHANCES ARE LESS THAN LIKELY.
TEMPERATURES SHOULD REBOUND WITH A LITTLE SUN AND SHOULD ONLY NEED
MINOR TWEEKS.

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

ABBAS

In the hours before

Local storm report, May 17, 2:22 PM CDT, 1 hour 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
222 PM CDT MON MAY 17 1999

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

0205 PM    FAIRLAND                  OK    1.75 INCH HAIL
05/17/99   OTTAWA                          EMERGENCY MANAGEMENT
                                           REPORT
Local storm report, May 17, 2:22 PM CDT, 1 hour 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
222 PM CDT MON MAY 17 1999

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

0205 PM    FAIRLAND                  OK    1.75 INCH HAIL
05/17/99   OTTAWA                          EMERGENCY MANAGEMENT
                                           REPORT
Local storm report, May 17, 3:12 PM CDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
312 PM CDT MON MAY 17 1999

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

0306 PM    2 W RED OAK               OK    .75 INCH HAIL
05/17/99   LATIMER
Local storm report, May 17, 3:12 PM CDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
312 PM CDT MON MAY 17 1999

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

0306 PM    2 W RED OAK               OK    .75 INCH HAIL
05/17/99   LATIMER
Local storm report, May 17, 3:26 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
326 PM CDT MON MAY 17 1999

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

0320 PM    FT SMITH                  AR    FLOOD
05/17/99   SEBASTIAN                       WIDESPREAD STREET
                                           FLOODING

0325 PM    GREENWOOD                 AR    FLOOD
05/17/99   SEBASTIAN                       WIDESPREAD STREET
                                           FLOODING - WATER IS
                                           FLOODING THE CITY HALL
                                           BASEMENT
Local storm report, May 17, 3:26 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
326 PM CDT MON MAY 17 1999

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

0320 PM    FT SMITH                  AR    FLOOD
05/17/99   SEBASTIAN                       WIDESPREAD STREET
                                           FLOODING

0325 PM    GREENWOOD                 AR    FLOOD
05/17/99   SEBASTIAN                       WIDESPREAD STREET
                                           FLOODING - WATER IS
                                           FLOODING THE CITY HALL
                                           BASEMENT

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 11:24 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee66 min
May 16, 11:55 PM CDTSevere Thunderstorm WarningTSACreek50 min
May 17, 12:26 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee49 min
May 17, 12:32 AM CDTSevere Thunderstorm WarningTSAWashington43 min
May 17, 12:50 AM CDTSevere Thunderstorm WarningTSATulsa25 min
May 17, 12:52 AM CDTSevere Thunderstorm WarningTSAOkfuskee53 min
May 17, 1:14 AM CDTSevere Thunderstorm WarningTSANowata46 min
May 17, 1:18 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Okmulgee57 min
May 17, 1:18 AM CDTSevere Thunderstorm WarningTSAPittsburg57 min
May 17, 1:34 AM CDTSevere Thunderstorm WarningTSACraig41 min
May 17, 2:04 AM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, Muskogee56 min
May 17, 2:27 AM CDTSevere Thunderstorm WarningTSACherokee, Sequoyah63 min
May 17, 2:36 AM CDTSevere Thunderstorm WarningTSADelaware, Mayes54 min
May 17, 2:50 AM CDTSevere Thunderstorm WarningTSAAdair55 min
May 17, 2:50 AM CDTSevere Thunderstorm WarningTSALeFlore55 min
May 17, 3:07 AM CDTSevere Thunderstorm WarningTSACraig, Ottawa53 min
May 17, 8:13 AM CDTSevere Thunderstorm WarningTSACreek32 min
May 17, 8:30 AM CDTSevere Thunderstorm WarningTSATulsa30 min
May 17, 9:16 AM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner29 min
May 17, 10:00 AM CDTSevere Thunderstorm WarningTSAHaskell45 min
May 17, 10:10 AM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg35 min
May 17, 10:30 AM CDTSevere Thunderstorm WarningTSAAdair45 min
May 17, 10:30 AM CDTSevere Thunderstorm WarningTSASequoyah45 min
May 17, 1:55 PM CDTSevere Thunderstorm WarningTSAHaskell35 min
May 17, 2:05 PM CDTSevere Thunderstorm WarningTSAPittsburg40 min
May 17, 2:31 PM CDTSevere Thunderstorm WarningTSAPushmataha44 min
May 17, 2:32 PM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg43 min
May 17, 3:05 PM CDTSevere Thunderstorm WarningTSALeFlore40 min
May 17, 3:11 PM CDTFlash Flood WarningTSALeFlore2 hr
May 17, 3:35 PM CDTFlash Flood WarningTSALatimer115 min
May 17, 4:08 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore37 min
May 17, 4:51 PM CDTSevere Thunderstorm WarningTSAPushmataha54 min
May 17, 4:56 PM CDTFlash Flood WarningTSALeFlore3 hr
May 17, 5:09 PM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah51 min
May 17, 2:50 AM CDTSevere Thunderstorm WarningTSACrawford, Sebastian55 min
May 17, 3:36 AM CDTSevere Thunderstorm WarningTSAFranklin, Madison54 min
May 17, 3:36 AM CDTSevere Thunderstorm WarningTSACarroll54 min
May 17, 3:45 AM CDTSevere Thunderstorm WarningTSACrawford, Washington15 min
May 17, 3:45 AM CDTSevere Thunderstorm WarningTSABenton15 min
May 17, 10:54 AM CDTSevere Thunderstorm WarningTSACarroll51 min
May 17, 10:55 AM CDTTornado WarningTSAWashington35 min
May 17, 11:02 AM CDTSevere Thunderstorm WarningTSAMadison28 min
May 17, 3:07 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian38 min
May 17, 3:11 PM CDTFlash Flood WarningTSAFranklin, Sebastian2 hr
May 17, 3:58 PM CDTSevere Thunderstorm WarningTSAMadison17 min
May 17, 4:56 PM CDTFlash Flood WarningTSAFranklin, Sebastian3 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 1999Every severe thunderstorm warning in 1999

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.