Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 545, NWS Tulsa, OK
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 22, 10:30 PM CST | Thunderstorm Wind | Cleora, OK | A tree was blown onto a house at Harbor View. |
| Nov 22, 10:40 PM CST | Thunderstorm Wind | Grove, OK | Several 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 22, 5:30 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Nov 22, 9:30 PM CST | Severe Thunderstorm Watch | SPC | 6 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.
- 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
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 9462What 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 22, 6:12 PM CST | Tornado Warning | TSA | Tulsa | 33 min |
| Nov 22, 6:14 PM CST | Severe Thunderstorm Warning | TSA | Nowata, Washington | 46 min |
| Nov 22, 6:22 PM CST | Tornado Warning | TSA | Rogers | 38 min |
| Nov 22, 6:24 PM CST | Severe Thunderstorm Warning | TSA | Pushmataha | 51 min |
| Nov 22, 6:24 PM CST | Tornado Warning | TSA | Washington | 36 min |
| Nov 22, 6:31 PM CST | Tornado Warning | TSA | Nowata | 29 min |
| Nov 22, 6:38 PM CST | Severe Thunderstorm Warning | TSA | Okfuskee, Okmulgee | 52 min |
| Nov 22, 6:38 PM CST | Severe Thunderstorm Warning | TSA | Tulsa | 52 min |
| Nov 22, 6:47 PM CST | Tornado Warning | TSA | Okfuskee, Okmulgee | 28 min |
| Nov 22, 7:02 PM CST | Severe Thunderstorm Warning | TSA | Rogers | 43 min |
| Nov 22, 7:14 PM CST | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Wagoner | 46 min |
| Nov 22, 7:14 PM CST | Severe Thunderstorm Warning | TSA | Pushmataha | 31 min |
| Nov 22, 7:20 PM CST | Tornado Warning | TSA | Okmulgee | 25 min |
| Nov 22, 7:23 PM CST | Tornado Warning | TSA | Pushmataha | 37 min |
| Nov 22, 7:25 PM CST | Tornado Warning | TSA | Rogers, Tulsa, Wagoner | 35 min |
| Nov 22, 7:40 PM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 35 min |
| Nov 22, 7:47 PM CST | Severe Thunderstorm Warning | TSA | Craig, Nowata | 43 min |
| Nov 22, 7:49 PM CST | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee | 41 min |
| Nov 22, 7:56 PM CST | Severe Thunderstorm Warning | TSA | Craig, Mayes | 49 min |
| Nov 22, 7:58 PM CST | Severe Thunderstorm Warning | TSA | Nowata, Rogers, Tulsa | 47 min |
| Nov 22, 7:58 PM CST | Severe Thunderstorm Warning | TSA | Creek, Osage | 47 min |
| Nov 22, 8:09 PM CST | Severe Thunderstorm Warning | TSA | Craig, Ottawa | 51 min |
| Nov 22, 8:22 PM CST | Severe Thunderstorm Warning | TSA | Rogers | 23 min |
| Nov 22, 8:22 PM CST | Tornado Warning | TSA | Rogers | 23 min |
| Nov 22, 8:32 PM CST | Severe Thunderstorm Warning | TSA | McIntosh, Okfuskee, Okmulgee | 43 min |
| Nov 22, 8:32 PM CST | Severe Thunderstorm Warning | TSA | Mayes, Muskogee, Rogers, Tulsa, Wagoner | 43 min |
| Nov 22, 8:32 PM CST | Severe Thunderstorm Warning | TSA | Craig, Nowata | 43 min |
| Nov 22, 8:36 PM CST | Tornado Warning | TSA | Mayes | 24 min |
| Nov 22, 9:01 PM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 59 min |
| Nov 22, 9:04 PM CST | Severe Thunderstorm Warning | TSA | Mayes, Rogers, Wagoner | 41 min |
| Nov 22, 9:04 PM CST | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 41 min |
| Nov 22, 9:14 PM CST | Severe Thunderstorm Warning | TSA | McIntosh | 61 min |
| Nov 22, 9:44 PM CST | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 46 min |
| Nov 22, 9:52 PM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 53 min |
| Nov 22, 9:57 PM CST | Severe Thunderstorm Warning | TSA | Muskogee | 48 min |
| Nov 22, 10:00 PM CST | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Wagoner | 45 min |
| Nov 22, 10:24 PM CST | Severe Thunderstorm Warning | TSA | Cherokee | 51 min |
| Nov 22, 10:43 PM CST | Severe Thunderstorm Warning | TSA | Haskell, Latimer | 62 min |
| Nov 22, 11:11 PM CST | Severe Thunderstorm Warning | TSA | Cherokee, Sequoyah | 49 min |
| Nov 22, 11:37 PM CST | Severe Thunderstorm Warning | TSA | Adair | 53 min |
| Nov 22, 11:56 PM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 49 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.