Alert archive / Oklahoma / Special Weather Statements in 2021
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Sep 4, 2021, 3:23 PM CDT for Pawnee County, Oklahoma. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 4, 2021, 3:23 PM CDT (20:23 UTC)
- Expired
- Sep 4, 2021, 4:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Tulsa, OK
- Hail
- 0.00 in
- Wind
- 50
County Pawnee County, OK
The radar
The Tulsa radar (KINX), 62 km from the middle of the area, began a volume at 20:26 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.4 hours before the alert went out and 227 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
- 980 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Sep 4, 1:37 PM CDT, 1 hour 46 minutes earlier.
Area forecast discussion, Sep 4, 1:37 PM CDT, 1 hour 46 minutes before
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</html>Hazardous weather outlook, Sep 4, 1:02 PM CDT, 2 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Tulsa OK 102 PM CDT Sat Sep 4 2021 ARZ001-002-010-011-019-020-029-OKZ049-053>076-051030- 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- 102 PM CDT Sat Sep 4 2021 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Today and Tonight. SEVERE THUNDERSTORM. RISK...Limited. AREA...Northeast Oklahoma and Northwest Arkansas. ONSET...Mid Afternoon. HEAVY RAIN. RISK...Limited. AREA...Northeast Oklahoma and Northwest Arkansas. ONSET...Late Afternoon. DANGEROUS HEAT. RISK...Elevated. AREA...Much of eastern Oklahoma and west central Arkansas. ONSET...Ongoing. DISCUSSION... A cold front will push into the area today, triggering showers and storms mainly this afternoon, evening and overnight. Storms this afternoon will likely produce locally heavy rainfall given the highly saturated environment and may produce locally heavy rainfall in portions of northeast Oklahoma and northwest Arkansas. Some storms may briefly become severe this afternoon across northeast Oklahoma and far northwest Arkansas with damaging wind gusts the main severe weather concern. South of the boundary, locations in, near, and to the south of Tulsa will see heat indices approach 105 degrees this afternoon. These elevated heat indices may be short lived as showers and storms develop or dew points lower as mixing occurs. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...Sunday through Friday. SUNDAY...Thunderstorm Potential. MONDAY through FRIDAY...No Hazards. EXTENDED DISCUSSION... Showers and storms will linger across southeast portions of Oklahoma Sunday morning and early afternoon before gradually exiting by Sunday evening. Monday through Friday will see dry weather with another cold front expected to move through Tuesday night into Wednesday. This front lower temperatures a little but, more importantly, it will knock down the dew points. The heat will return to end the week as a ridge builds into the area, but the humidity will be lacking. weather.gov/tulsa contains additional information.
In the hours before
Special weather statement, Sep 4, 2:53 PM CDT, 30 minutes before
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</html>Special weather statement, Sep 4, 3:21 PM CDT, 2 minutes before
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</html>Special weather statement, Sep 4, 3:23 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 1:34 PM CDT | Heat Advisory | TSA | Haskell, Latimer, McIntosh, Muskogee, Okfuskee, Okmulgee and 2 more | 5 hr |
| Sep 4, 2:53 PM CDT | Special Weather Statement | TSA | Ottawa | 37 min |
| Sep 4, 3:21 PM CDT | Special Weather Statement | TSA | Ottawa | 24 min |
| Sep 4, 5:03 PM CDT | Special Weather Statement | TSA | Creek | 27 min |
Nearby
Special Weather Statements in Oklahoma, 2021Every special weather statement in 2021
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.