Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 521, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Nov 22, 1999, 6:38 PM CST for Tulsa County, Oklahoma. It was in force for 52 min. 8 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, 6:38 PM CST (00:38 UTC)
- Expired
- Nov 22, 1999, 7:30 PM CST
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Tulsa County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 22, 6:40 PM CST | Thunderstorm Wind 52 | Broken Arrow, OK | Location: near 131st Street and 145th East Avenue (Aspen Avenue) |
| Nov 22, 6:55 PM CST | Thunderstorm Wind | Pharoah, OK | Several large tree limbs were blown down. |
| Nov 22, 7:05 PM CST | Thunderstorm Wind 70 | Bixby, OK | There were several reports of severe thunderstorms winds from Bixby to southeast Tulsa. Following is a list of reports:Time (CST) Location Estimated Gust (mph)/Damage705 PM 121st and Mingo Large trees down710 PM 81st and Memorial 60712 PM 71st and US H |
| Nov 22, 7:15 PM CST | Thunderstorm Wind | Okmulgee, OK | Trees and power lines were blown over in Okmulgee. |
| Nov 22, 7:25 PM CST | Hail 0.75 | Okmulgee, OK | |
| Nov 22, 7:34 PM CST | Hail 1 | Bald Hill, OK | |
| Nov 22, 7:35 PM CST | Thunderstorm Wind 70 | Tulsa, OK | Thunderstorm winds estimated at 60 to 80 miles an hour blew down 8 large electric transmission lines near 11th street and 193rd east avenue at the Tulsa-Wagoner county line. |
| Nov 22, 7:35 PM CST | Thunderstorm Wind 70 | Broken Arrow, OK | Thunderstorm winds estimated at 60 to 80 miles an hour blew down 8 electric transmission lines near 11 street and 193rd east avenue near the Tulsa-Wagoner county line. |
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 |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 0.6 hours before the alert went out and 144 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
- 587 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 177 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KTSA 230039
SVRTUL
OKC107-111-143-230130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
638 PM CST MON NOV 22 1999
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA
OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
SOUTHERN TULSA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 730 PM CST
* AT 638 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES NORTH OF
JENKS TO 9 MILES NORTH OF PHAROAH TO 11 MILES SOUTHWEST OF
WELEETKA...MOVING NORTHEAST AT 40 MPH.
* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...ONETA...
STONEBLUFF...BROKEN ARROW...GLENPOOL...JENKS...BIXBY...BALD HILL...
BEGGS...PRESTON...MORRIS...SCHULTER...GRAYSON...DEWAR...HENRYETTA...
OKMULGEE...PHAROAH...CLEARVIEW AND WELEETKA
HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED
IN THE WARNED AREA.
THIS IS A DANGEROUS STORM. IF YOU ARE NEAR ITS PATH YOU SHOULD
PREPARE FOR VERY LARGE HAIL AND STRONG DAMAGING STRAIGHT LINE WINDS.
SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS!
LAT...LON 3609 9602 3551 9620 3510 9636 3541 9589
3603 9567 3619 9560The 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, 6:47 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, 10:30 PM CST | Severe Thunderstorm Warning | TSA | Delaware, Ottawa | 30 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.