Alert archive / Oklahoma / Flash Flood Warnings in 1998
Flash Flood Warning 41, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Oct 5, 1998, 12:11 AM CDT for Nowata County, Washington County, Oklahoma. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 5, 1998, 12:11 AM CDT (05:11 UTC)
- Expired
- Oct 5, 1998, 2:15 AM CDT
- In force
- 2 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Nowata County, OK, Washington County, OK
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 5.2 hours before the alert went out and 175 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
- 1811 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 352 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 19.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTUL 050515
FFWTUL
OKC105-143-147-050715-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1211 AM CDT MON OCT 5 1998
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* FLASH FLOOD WARNING FOR
NORTHERN TULSA COUNTY IN NORTHEAST OKLAHOMA
WASHINGTON COUNTY IN NORTHEAST OKLAHOMA
NOWATA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 215 AM CDT
* DOPPLER RADAR INDICATES THAT VERY HEAVY RAINS HAVE FALLEN OVER
NORTHERN TULSA...WASHINGTON AND NOWATA COUNTIES DURING THE EVENING.
REPORTS SHOW THAT OVER FOUR INCHES OF RAIN HAS ALREADY FALLEN OVER
PARTS OF THIS AREA. THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS THIS
SAME GENERAL AREA AND THESE ADDITIONAL HEAVY RAINS WILL CAUSE FLASH
FLOODING.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES...AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 7:00 PM CDT | Tornado Warning | TSA | Pawnee | 45 min |
| Oct 4, 7:35 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 40 min |
| Oct 4, 8:12 PM CDT | Tornado Warning | TSA | Osage | 48 min |
| Oct 4, 8:20 PM CDT | Tornado Warning | TSA | Pawnee | 25 min |
| Oct 4, 8:30 PM CDT | Tornado Warning | TSA | Creek | 45 min |
| Oct 4, 8:39 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 51 min |
| Oct 4, 9:01 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Washington | 29 min |
| Oct 4, 9:11 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 3 hr |
| Oct 4, 9:11 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 34 min |
| Oct 4, 9:27 PM CDT | Tornado Warning | TSA | Osage, Pawnee | 33 min |
| Oct 4, 9:40 PM CDT | Tornado Warning | TSA | Creek, Okfuskee | 50 min |
| Oct 4, 9:49 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Rogers | 56 min |
| Oct 4, 9:54 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 36 min |
| Oct 4, 10:02 PM CDT | Tornado Warning | TSA | Tulsa, Washington | 43 min |
| Oct 4, 10:11 PM CDT | Tornado Warning | TSA | Craig, Nowata | 49 min |
| Oct 4, 10:26 PM CDT | Tornado Warning | TSA | Rogers | 34 min |
| Oct 4, 10:27 PM CDT | Tornado Warning | TSA | Okfuskee | 48 min |
| Oct 4, 10:36 PM CDT | Tornado Warning | TSA | Tulsa, Washington | 39 min |
| Oct 4, 10:45 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee | 45 min |
| Oct 4, 10:49 PM CDT | Tornado Warning | TSA | Creek, Okmulgee | 41 min |
| Oct 4, 10:56 PM CDT | Tornado Warning | TSA | Rogers | 34 min |
| Oct 4, 11:07 PM CDT | Tornado Warning | TSA | Okfuskee | 38 min |
| Oct 4, 11:24 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 36 min |
| Oct 4, 11:24 PM CDT | Tornado Warning | TSA | Muskogee, Okmulgee | 51 min |
| Oct 4, 11:52 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 2 hr |
| Oct 4, 11:54 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Wagoner | 51 min |
| Oct 5, 12:03 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee | 42 min |
| Oct 5, 12:10 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Wagoner | 50 min |
| Oct 5, 12:11 AM CDT | Flash Flood Warning | TSA | Tulsa | 2 hr |
| Oct 5, 12:16 AM CDT | Tornado Warning | TSA | Muskogee, Wagoner | 29 min |
| Oct 5, 12:29 AM CDT | Tornado Warning | TSA | Cherokee | 46 min |
| Oct 5, 12:35 AM CDT | Flash Flood Warning | TSA | Creek, Okmulgee | 115 min |
| Oct 5, 12:38 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee | 52 min |
| Oct 5, 12:56 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware | 49 min |
| Oct 5, 1:08 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 37 min |
| Oct 5, 1:09 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Wagoner | 51 min |
| Oct 5, 1:36 AM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 39 min |
| Oct 5, 1:49 AM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware | 41 min |
| Oct 5, 2:01 AM CDT | Flash Flood Warning | TSA | Cherokee, Craig, Delaware, Mayes, Ottawa | 3 hr |
| Oct 5, 2:01 AM CDT | Flash Flood Warning | TSA | Creek, Okmulgee, Osage, Pawnee, Rogers, Tulsa and 2 more | 3 hr |
| Oct 5, 2:01 AM CDT | Flash Flood Warning | TSA | Muskogee | 3 hr |
| Oct 5, 2:01 AM CDT | Flash Flood Warning | TSA | Nowata | 3 hr |
| Oct 5, 3:34 AM CDT | Severe Thunderstorm Warning | TSA | Delaware | 26 min |
| Oct 5, 3:56 AM CDT | Severe Thunderstorm Warning | TSA | Delaware | 49 min |
| Oct 5, 4:35 AM CDT | Flash Flood Warning | TSA | Cherokee, Craig, Delaware, Mayes, Ottawa | 3 hr |
| Oct 5, 4:35 AM CDT | Flash Flood Warning | TSA | Creek, Osage, Pawnee, Tulsa | 3 hr |
| Oct 5, 4:35 AM CDT | Flash Flood Warning | TSA | Nowata, Rogers, Washington | 3 hr |
| Oct 5, 4:35 AM CDT | Flash Flood Warning | TSA | Wagoner | 3 hr |
| Oct 5, 7:55 AM CDT | Flash Flood Warning | TSA | Cherokee, Mayes, Muskogee, Okmulgee, Rogers, Tulsa and 1 more | 3 hr |
| Oct 5, 7:55 AM CDT | Flash Flood Warning | TSA | Creek, Okfuskee | 3 hr |
| Oct 5, 7:55 AM CDT | Flash Flood Warning | TSA | Craig, Delaware, Ottawa | 3 hr |
| Oct 5, 7:55 AM CDT | Flash Flood Warning | TSA | Adair | 3 hr |
| Oct 5, 10:53 AM CDT | Flash Flood Warning | TSA | Haskell, McIntosh, Pittsburg | 3 hr |
| Oct 5, 10:53 AM CDT | Flash Flood Warning | TSA | Adair, Cherokee, Delaware, Muskogee, Sequoyah | 3 hr |
| Oct 5, 1:45 PM CDT | Flash Flood Warning | TSA | Latimer, Pushmataha | 3 hr |
| Oct 5, 1:45 PM CDT | Flash Flood Warning | TSA | Haskell | 3 hr |
| Oct 5, 1:46 PM CDT | Flash Flood Warning | TSA | Pushmataha | 3 hr |
| Oct 5, 1:49 PM CDT | Flash Flood Warning | TSA | Adair | 3 hr |
| Oct 5, 1:59 PM CDT | Flash Flood Warning | TSA | LeFlore, Sequoyah | 3 hr |
| Oct 5, 2:09 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 61 min |
| Oct 5, 2:45 PM CDT | Flash Flood Warning | TSA | LeFlore, Sequoyah | 2 hr |
| Oct 5, 3:15 PM CDT | Flash Flood Warning | TSA | LeFlore | 3 hr |
| Oct 5, 4:20 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 25 min |
| Oct 5, 5:42 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Sequoyah | 33 min |
Nearby
Flash Flood Warnings in Oklahoma, 1998Every flash flood warning in 1998
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.