Alert archive / Oklahoma / Special Weather Statements in 2017
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jul 7, 2017, 4:07 PM CDT for Nowata County, Oklahoma. It was in force for 53 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
- Jul 7, 2017, 4:07 PM CDT (21:07 UTC)
- Expired
- Jul 7, 2017, 5:00 PM CDT
- In force
- 53 min
- Issued by
- NWS Tulsa, OK
County Nowata County, OK
The radar
The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 21:06 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, 9.1 hours before the alert went out and 153 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1827 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 143 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 Jul 7, 12:21 PM CDT, 3 hours 46 minutes earlier.
Area forecast discussion, Jul 7, 12:21 PM CDT, 3 hours 46 minutes before
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</head>
<body>
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Hazardous weather outlook, Jul 7, 12:55 PM CDT, 3 hours 12 minutes before
Hazardous Weather Outlook National Weather Service Tulsa OK 1255 PM CDT Fri Jul 7 2017 ARZ001-002-010-011-019-020-029-OKZ049-053>076-081000- 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- 1255 PM CDT Fri Jul 7 2017 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...This Afternoon and Tonight. SEVERE THUNDERSTORM. RISK...Limited. AREA...Northeast Oklahoma and northwest Arkansas. ONSET...After 5 pm. DANGEROUS HEAT. RISK...Elevated. AREA...Much of eastern Oklahoma and western Arkansas. ONSET...Ongoing. DISCUSSION... High temperatures will be in the 90s across the majority of eastern Oklahoma and western Arkansas this afternoon. Heat index values this afternoon will range from the lower 90s across portions of northwest Arkansas to around 105 across northeast Oklahoma. The chances for showers and thunderstorms will increase late this afternoon into tonight across northeast Oklahoma and northwest Arkansas as a cold front moves into the region. There is the potential that a few of this storms could become strong to severe with strong gusty winds and large hail the concern. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. SATURDAY through Monday...Thunderstorm Potential. TUESDAY through Thursday...No Hazards. EXTENDED DISCUSSION... Showers and thunderstorms will continue to be possible on Saturday as the cold front moves through the region. Thunderstorms will also be possible Saturday night into Sunday as a thunderstorm complex is forecast to move out of Kansas and across the area. Thunderstorm chances diminish mid-week as high pressure prevails. This will result in hotter temperatures across the region. weather.gov/tulsa contains additional information.
In the hours before
Special weather statement, Jul 7, 4:07 PM CDT, 0 minutes before
Special Weather Statement National Weather Service Tulsa OK 407 PM CDT FRI JUL 7 2017 OKZ056-057-072200- Craig OK-Nowata OK- 407 PM CDT FRI JUL 7 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CRAIG AND EASTERN NOWATA COUNTIES UNTIL 500 PM CDT... At 407 PM CDT, a strong thunderstorm was reported 3 miles northeast of Lenapah, moving southeast at 15 mph. Nickel size hail and wind gusts up to 50 mph will be possible with this storm. Locations in or near the path include... South Coffeyville... Delaware... Lenapah... Hollow... Centralia... Centrailia... PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3673 9570 3699 9563 3688 9521 3664 9535 TIME...MOT...LOC 2107Z 294DEG 14KT 3688 9560
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 4:20 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Rogers | 40 min |
| Jul 7, 4:45 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 45 min |
| Jul 7, 5:29 PM CDT | Special Weather Statement | TSA | Ottawa | 31 min |
Nearby
Special Weather Statements in Oklahoma, 2017Every special weather statement in 2017
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.