Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 545, NWS Tulsa, OK

November 22, 1999Delaware County, Ottawa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 22, 1999, 10:30 PM CST for Delaware County, Ottawa County, Oklahoma. It was in force for 30 min. 2 reports 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
Nov 22, 1999, 10:30 PM CST (04:30 UTC)
Expired
Nov 22, 1999, 11:00 PM CST
In force
30 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Delaware County, OK, Ottawa County, OK

What was reported inside it

TimeReportWhereRemark
Nov 22, 10:30 PM CSTThunderstorm WindCleora, OKA tree was blown onto a house at Harbor View.
Nov 22, 10:40 PM CSTThunderstorm WindGrove, OKSeveral large tree limbs were blown down.

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 watch it was issued in

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

IssuedProductOfficeLasted
Nov 22, 5:30 PM CSTSevere Thunderstorm WatchSPC6 hr
Nov 22, 9:30 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.5 hours before the alert went out and 98 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 1999-11-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 300 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 1999-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
300 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1007 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

740 
WUUS54 KTSA 230430
SVRTUL
OKC041-115-230500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1030 PM CST MON NOV 22 1999

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DELAWARE COUNTY IN NORTHEAST OKLAHOMA
  SOUTHEASTERN OTTAWA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1100 PM CST

* AT 1028 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES SOUTHWEST
  OF LEACH TO 7 MILES SOUTHEAST OF CLEORA TO 5 MILES NORTHWEST OF
  CLEORA...MOVING NORTHEAST AT 65 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...WYANDOTTE...
FAIRLAND...AFTON...BERNICE...GROVE...CLEORA...LEACH AND JAY

PERSONS IN THE PATH OF THIS STORM SHOULD MOVE TO A SAFE PLACE. 
ABANDON MOBILE HOMES FOR MORE SUBSTANTIAL SHELTER.

WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA.

LAT...LON 3617 9495 3646 9497 3663 9507 3704 9460
          3696 9441 3630 9462

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 Nov 22, 10:20 PM CST, 10 minutes earlier.

Area forecast discussion, Nov 22, 10:20 PM CST, 10 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1020 PM CST MON NOV 22 1999

JUST UPDATED TO ACCOUNT FOR THE NEW SVR TSTM WATCH GOOD TIL 3 AM
CST.  NEW 00Z ETA DOES NOT CHANGE THE THINKING LAID OUT IN THE 830
PM AFD.  DRY MID-LEVEL PUNCH AND VEERING UPPER LEVEL WINDS CONTINUE
TO PROVIDE MORE FAVORABLE CONDITIONS FOR BOW ECHOES...WHILE SLOWLY
ACCELERATING THE LINE OF STORMS TO THE EAST.  THE TORNADO THREAT
APPEARS VERY SMALL AT THIS POINT.  SECONDARY SURFACE LOW OVER NRN TX
WILL MAINTAIN THE SRN EXTENT OF THE TSTMS THROUGH THE NIGHT.  ENTIRE
AREA SHOULD CLEAR THE ERN EDGE OF THE CWA JUST BEFORE SUNRISE.  THE
SEVERE THREAT WILL DIMINISH OVERNIGHT BUT NEVER QUITE GO AWAY.

IN THE SECOND PERIOD...LOWERED POPS A CATEGORY ARND TUL SINCE
ACTIVITY SHOULD BE WELL EAST BY THAT TIME.

WILL BE ISSUING SEVERAL UPDATES DURING THE NEXT FEW HOURS AS WE HACK
AWAY AT THE BACK END OF THE WATCH.

FCSTID = 22

.TUL...
AR...SEVERE THUNDERSTORM WATCH UNTIL 300 AM CST TUESDAY FOR ZONES
ARZ001>002...ARZ010>011...ARZ019>020...ARZ029.

OK...SEVERE THUNDERSTORM WATCH UNTIL 300 AM CST TUESDAY FOR ZONES
OKZ057>058...OKZ061>063...OKZ066>076.

In the hours before

Local storm report, Nov 22, 8:35 PM CST, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
835 PM CST MON NOV 22 1999

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

0620 PM    5 SW OKEMAH               OK    1.75 INCH HAIL
11/22/99   OKFUSKEE                        REPORT RECEIVED FROM
                                           WSFO OUN

0625 PM    COLLINSVILLE              OK    TORNADO
11/22/99   TULSA                           SPOTTERS REPORTED A
                                           TORNADO ON THE GROUND
                                           NEAR 146TH STREET AND
                                           HIGHWAY 75 MOVING
                                           NORTHEAST.

0710 PM    TULSA                     OK    60 MPH TSTM GUST
11/22/99   TULSA                           SPOTTERS REPORTED 60 TO
                                           70 KNOT WINDS ON 71ST
                                           STREET BETWEEN HIGHWAY
                                           169 AND MINGO.

0725 PM    OKMULGEE                  OK    .75 INCH HAIL
11/22/99   OKMULGEE

0730 PM    CATOOSA                   OK    TORNADO
11/22/99   ROGERS                          SPOTTERS REPORTED
                                           POWER LINES SNAPPED
                                           WEST OF CATOOSA.

0734 PM    BALD HILL                 OK    1 INCH HAIL
11/22/99   OKMULGEE

0738 PM    TULSA                     OK    TORNADO
11/22/99   TULSA                           SPOTTERS REPORTED AT
                                           LEAST 8 POWER LINE
                                           POLES DOWN NEAR 11TH
                                           STREET SOUTH AND 193RD
                                           STREET...AND LARGE
                                           TREES DOWN AT 121ST AND
                                           MINGO.

0744 PM    CATOOSA                   OK    TORNADO
11/22/99   ROGERS                          SPOTTERS REPORTED
                                           TRUCKS AND CARS
                                           OVERTURNED IN CENTER OF
                                           MEDIAN.

0803 PM    SAVANNA                   OK    .75 INCH HAIL
11/22/99   PITTSBURG                       SPOTTERS REPORTED DIME
                                           SIZE HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 22, 6:12 PM CSTTornado WarningTSATulsa33 min
Nov 22, 6:14 PM CSTSevere Thunderstorm WarningTSANowata, Washington46 min
Nov 22, 6:22 PM CSTTornado WarningTSARogers38 min
Nov 22, 6:24 PM CSTSevere Thunderstorm WarningTSAPushmataha51 min
Nov 22, 6:24 PM CSTTornado WarningTSAWashington36 min
Nov 22, 6:31 PM CSTTornado WarningTSANowata29 min
Nov 22, 6:38 PM CSTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee52 min
Nov 22, 6:38 PM CSTSevere Thunderstorm WarningTSATulsa52 min
Nov 22, 6:47 PM CSTTornado WarningTSAOkfuskee, Okmulgee28 min
Nov 22, 7:02 PM CSTSevere Thunderstorm WarningTSARogers43 min
Nov 22, 7:14 PM CSTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner46 min
Nov 22, 7:14 PM CSTSevere Thunderstorm WarningTSAPushmataha31 min
Nov 22, 7:20 PM CSTTornado WarningTSAOkmulgee25 min
Nov 22, 7:23 PM CSTTornado WarningTSAPushmataha37 min
Nov 22, 7:25 PM CSTTornado WarningTSARogers, Tulsa, Wagoner35 min
Nov 22, 7:40 PM CSTSevere Thunderstorm WarningTSAPittsburg35 min
Nov 22, 7:47 PM CSTSevere Thunderstorm WarningTSACraig, Nowata43 min
Nov 22, 7:49 PM CSTSevere Thunderstorm WarningTSACreek, Okfuskee, Okmulgee41 min
Nov 22, 7:56 PM CSTSevere Thunderstorm WarningTSACraig, Mayes49 min
Nov 22, 7:58 PM CSTSevere Thunderstorm WarningTSANowata, Rogers, Tulsa47 min
Nov 22, 7:58 PM CSTSevere Thunderstorm WarningTSACreek, Osage47 min
Nov 22, 8:09 PM CSTSevere Thunderstorm WarningTSACraig, Ottawa51 min
Nov 22, 8:22 PM CSTSevere Thunderstorm WarningTSARogers23 min
Nov 22, 8:22 PM CSTTornado WarningTSARogers23 min
Nov 22, 8:32 PM CSTSevere Thunderstorm WarningTSAMcIntosh, Okfuskee, Okmulgee43 min
Nov 22, 8:32 PM CSTSevere Thunderstorm WarningTSAMayes, Muskogee, Rogers, Tulsa, Wagoner43 min
Nov 22, 8:32 PM CSTSevere Thunderstorm WarningTSACraig, Nowata43 min
Nov 22, 8:36 PM CSTTornado WarningTSAMayes24 min
Nov 22, 9:01 PM CSTSevere Thunderstorm WarningTSAPittsburg59 min
Nov 22, 9:04 PM CSTSevere Thunderstorm WarningTSAMayes, Rogers, Wagoner41 min
Nov 22, 9:04 PM CSTSevere Thunderstorm WarningTSACraig, Delaware, Ottawa41 min
Nov 22, 9:14 PM CSTSevere Thunderstorm WarningTSAMcIntosh61 min
Nov 22, 9:44 PM CSTSevere Thunderstorm WarningTSACraig, Delaware, Ottawa46 min
Nov 22, 9:52 PM CSTSevere Thunderstorm WarningTSAPittsburg53 min
Nov 22, 9:57 PM CSTSevere Thunderstorm WarningTSAMuskogee48 min
Nov 22, 10:00 PM CSTSevere Thunderstorm WarningTSACherokee, Mayes, Wagoner45 min
Nov 22, 10:24 PM CSTSevere Thunderstorm WarningTSACherokee51 min
Nov 22, 10:43 PM CSTSevere Thunderstorm WarningTSAHaskell, Latimer62 min
Nov 22, 11:11 PM CSTSevere Thunderstorm WarningTSACherokee, Sequoyah49 min
Nov 22, 11:37 PM CSTSevere Thunderstorm WarningTSAAdair53 min
Nov 22, 11:56 PM CSTSevere Thunderstorm WarningTSASequoyah49 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.