Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 268, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 17, 2023, 11:44 AM CDT for Nowata County, Osage County, Washington County, Oklahoma. It was in force for 46 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
- Jul 17, 2023, 11:44 AM CDT (16:44 UTC)
- Expired
- Jul 17, 2023, 12:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Nowata County, OK, Osage County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 16:46 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 17, 10:33 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.7 hours before the alert went out and 195 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
- 2138 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1136 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.2
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 Jul 17, 10:26 AM CDT, 1 hour 18 minutes earlier.
Area forecast discussion, Jul 17, 10:26 AM CDT, 1 hour 18 minutes before
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</html>Hazardous weather outlook, Jul 17, 10:52 AM CDT, 52 minutes before
Hazardous Weather Outlook National Weather Service Tulsa OK 1052 AM CDT Mon Jul 17 2023 ARZ001-002-010-011-019-020-029-OKZ049-053>076-181030- Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK- Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK- Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK- Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK- Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK- Washington OK-Washington AR- 1052 AM CDT Mon Jul 17 2023 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Today and Tonight. SEVERE THUNDERSTORM. RISK...Elevated. AREA...Northeast Oklahoma and Northwest Arkansas. ONSET...Ongoing. DANGEROUS HEAT. RISK...Significant. AREA...Eastern Oklahoma. ONSET...Afternoon. DISCUSSION... A cluster of strong to severe thunderstorms will move out of southeast Kansas and into northeast Oklahoma late this morning through early afternoon. These storms will be capable of producing hail up to 2 inches in diameter and damaging winds to 70 mph. These storms may also eventually build into parts of northwest Arkansas during the afternoon, posing a continues severe weather risk. A slight chance of storms will again be possible late tonight across far northeast Oklahoma and northwest Arkansas. Outside of any storm influences, hot and humid conditions will likely develop with heat indices from 105 to 110 degrees likely across portions of eastern Oklahoma. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Activation of the Regional Spotter Network Likely. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. TUESDAY AND WEDNESDAY...High Wind Potential...Dangerous Heat Potential. THURSDAY...Thunderstorm Potential...Dangerous Heat Potential. FRIDAY THROUGH SUNDAY...Thunderstorm Potential. EXTENDED DISCUSSION... Dangerous heat and humidity will return Tuesday and Wednesday with heat indices climbing into the 105 to 110 degree range. A heat advisory is also currently in effect Tuesday. Heat indices may exceed 110 degrees in some locations and an excessive heat warning may be issued later today or tonight as the forecast becomes more certain. Storm chances return for the latter part of the week as a series of mid level disturbances traverse the region in northwest flow aloft. EMERGENCY MANAGEMENT PLANNING STATEMENT... Emergency managers and first responders should prepare for another several day stretch of dangerous heat this week. An increase in heat-related incidents is likely. Provision of public access cooling stations is encouraged. weather.gov/tulsa contains additional information.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 3:41 AM CDT | Heat Advisory | TSA | Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more | 41 hr |
| Jul 17, 11:43 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 47 min |
| Jul 17, 12:17 PM CDT | Special Weather Statement | TSA | Craig | 43 min |
| Jul 17, 12:27 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 63 min |
| Jul 17, 12:29 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Washington | 46 min |
| Jul 17, 12:48 PM CDT | Special Weather Statement | TSA | Rogers, Tulsa | 42 min |
| Jul 17, 12:57 PM CDT | Severe Thunderstorm Warning | TSA | Mayes, Rogers, Wagoner | 48 min |
| Jul 17, 12:59 PM CDT | Special Weather Statement | TSA | Craig | 46 min |
| Jul 17, 1:23 PM CDT | Special Weather Statement | TSA | Osage | 37 min |
| Jul 17, 1:27 PM CDT | Special Weather Statement | TSA | Wagoner | 48 min |
| Jul 17, 1:43 PM CDT | Special Weather Statement | TSA | Delaware | 32 min |
| Jul 17, 1:49 PM CDT | Severe Thunderstorm Warning | TSA | Delaware | 40 min |
| Jul 17, 2:00 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Washington | 45 min |
| Jul 17, 2:03 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Wagoner | 28 min |
| Jul 17, 2:19 PM CDT | Special Weather Statement | TSA | Cherokee | 41 min |
| Jul 17, 2:34 PM CDT | Special Weather Statement | TSA | Washington | 41 min |
| Jul 17, 2:35 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Washington | 44 min |
| Jul 17, 2:44 PM CDT | Excessive Heat Warning | TSA | Choctaw, McIntosh, Muskogee, Okmulgee, Pushmataha, Tulsa and 1 more | 30 hr |
| Jul 17, 2:30 PM CDT | Special Weather Statement | TSA | Benton, Washington | 45 min |
| Jul 17, 3:18 PM CDT | Special Weather Statement | TSA | Washington | 27 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2023Every severe thunderstorm warning in 2023
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; radar from the NEXRAD Level II archive.