Alert archive / Oklahoma / Special Weather Statements in 2018
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jul 14, 2018, 3:13 PM CDT for Tulsa County, Oklahoma. It was in force for 47 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 14, 2018, 3:13 PM CDT (20:13 UTC)
- Expired
- Jul 14, 2018, 4:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Tulsa, OK
County Tulsa County, OK
The radar
The Tulsa radar (KINX), 58 km from the middle of the area, began a volume at 20:17 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
Norman, OK (KOUN), launched 12:00Z, 8.2 hours before the alert went out and 150 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
- 260 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1662 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 14, 12:20 PM CDT, 2 hours 53 minutes earlier.
Area forecast discussion, Jul 14, 12:20 PM CDT, 2 hours 53 minutes before
Area Forecast Discussion National Weather Service Tulsa OK 1220 PM CDT Sat Jul 14 2018 .AVIATION... CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG. A few showers linger across NE OK this afternoon, with isolated thunder. Coverage will remain too low to include thunder at KBVO, but will carry VCSH. Thunder chances will increase after 00Z at all NE OK sites and will be covered with VCTS and PROB groups. Outside of thunder areas and at the remaining sites, VFR elements will prevail through the period. && .PREV DISCUSSION... /Issued 1019 AM CDT Sat Jul 14 2018/ DISCUSSION... Scattered showers and isolated thunderstorms persist across northeast Oklahoma this morning. A well defined MCV moving across southeast Kansas this morning the likely culprit for the ongoing activity. Latest updates mainly for adjusting pops across northeast Oklahoma for the morning hours. Will keep an eye on cloud trends as they may impact forecasted high temperatures across the aforementioned area this afternoon. Heat advisory headlines will be left as is given the latest cloud and precipitation trends. Will likely need an update around noon for afternoon pops/potential temp adjustments. Latest update to ZFP sent...AFM and PFM out shortly. && .TSA WATCHES/WARNINGS/ADVISORIES... OK...Heat Advisory until 7 PM CDT this evening for OKZ049-074>076. AR...Heat Advisory until 7 PM CDT this evening for ARZ020-029. && AVIATION.....23
Hazardous weather outlook, Jul 14, 12:40 PM CDT, 2 hours 33 minutes before
Hazardous Weather Outlook National Weather Service Tulsa OK 1240 PM CDT Sat Jul 14 2018 ARZ001-002-010-011-019-020-029-OKZ049-053>076-151015- 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- 1240 PM CDT Sat Jul 14 2018 This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...This Afternoon and Tonight. THUNDERSTORMS WITH DANGEROUS LIGHTNING. RISK...Limited. AREA...Northeast Oklahoma. ONSET...Ongoing. DANGEROUS HEAT. RISK...Elevated. AREA...Most of eastern Oklahoma and west central Arkansas. ONSET...Afternoon. DISCUSSION... Isolated showers and thunderstorms will remain ongoing through the afternoon, mainly across northeast Oklahoma. Severe weather is not expected, though one or two strong storms are possible and will be capable of producing winds to 50 miles an hour. Additionally, afternoon temperatures will again be hot, especially across those areas not affected by cloud cover and thunderstorms. The greatest potential for heat index values over 105 degrees is across southeast Oklahoma and west central Arkansas. A Heat Advisory is in effect through 7 PM. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Spotter Activation Not Expected. .DAYS TWO THROUGH SEVEN...Sunday through Friday. SUNDAY through FRIDAY...Thunderstorm Potential...Dangerous Heat Potential. EXTENDED DISCUSSION... It will remain hot and humid into late next week with a chance for showers and thunderstorms nearly every day. Although coverage will likely remain limited, there will be the continued threat for downburst winds and dangerous lightning with the stronger storms. weather.gov/tulsa contains additional information.
In the hours before
Special weather statement, Jul 14, 2:26 PM CDT, 47 minutes before
Special Weather Statement National Weather Service Tulsa OK 226 PM CDT SAT JUL 14 2018 OKZ055-060-061-142000- Tulsa OK-Rogers OK-Washington OK- 226 PM CDT SAT JUL 14 2018 ...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL ROGERS...SOUTH CENTRAL WASHINGTON AND NORTHEASTERN TULSA COUNTIES UNTIL 300 PM CDT... At 226 PM CDT, a strong thunderstorm was located over Collinsville, moving northeast at 15 mph. Wind gusts up to 50 mph will be possible with this storm. Locations in or near the path include... Skiatook... Collinsville... Vera... LAT...LON 3629 9588 3639 9596 3652 9578 3636 9565 TIME...MOT...LOC 1926Z 239DEG 13KT 3638 9587 Lacy
Special weather statement, Jul 14, 3:13 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 |
|---|---|---|---|---|
| Jul 14, 3:00 AM CDT | Heat Advisory | TSA | Haskell, Latimer, McIntosh, Muskogee, Okfuskee, Okmulgee and 2 more | 17 hr |
| Jul 14, 2:26 PM CDT | Special Weather Statement | TSA | Rogers | 34 min |
| Jul 14, 2:59 PM CDT | Heat Advisory | TSA | Cherokee, Choctaw, Craig, Creek, Delaware, Haskell and 15 more | 29 hr |
| Jul 14, 4:07 PM CDT | Special Weather Statement | TSA | Tulsa | 53 min |
| Jul 14, 4:39 PM CDT | Special Weather Statement | TSA | Mayes | 51 min |
Nearby
Special Weather Statements in Oklahoma, 2018Every special weather statement in 2018
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.