Alert archive / Oklahoma / Special Weather Statements in 2017
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at May 10, 2017, 3:20 PM CDT for Pittsburg County, Oklahoma. It was in force for 25 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
- May 10, 2017, 3:20 PM CDT (20:20 UTC)
- Expired
- May 10, 2017, 3:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Tulsa, OK
County Pittsburg County, OK
The radar
The Norman radar (KTLX), 131 km from the middle of the area, began a volume at 20:24 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, 8.3 hours before the alert went out and 137 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
- 614 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 611 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.4
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 May 10, 12:48 PM CDT, 2 hours 32 minutes earlier.
Area forecast discussion, May 10, 12:48 PM CDT, 2 hours 32 minutes before
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<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<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.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, May 10, 1:10 PM CDT, 2 hours 10 minutes before
Hazardous Weather Outlook National Weather Service Tulsa OK 110 PM CDT Wed May 10 2017 ARZ001-002-010-011-019-020-029-OKZ049-053>076-111015- 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- 110 PM CDT Wed May 10 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 along/north of I-44. ONSET...This Afternoon. DISCUSSION... A moist and unstable air-mass will allow scattered showers and thunderstorms to develop this afternoon. A few storms could approach severe limits along and north of I-44 with large hail and damaging winds. Later tonight...storms that develop to the north along a cold front may enter northeast Oklahoma late tonight. Severe weather appears unlikely with this activity. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Local Spotter Activation May Be Needed. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THURSDAY...Severe Thunderstorm Potential...Heavy Rain Potential. FRIDAY Through SUNDAY...No Hazards. MONDAY and TUESDAY...Thunderstorm Potential. EXTENDED DISCUSSION... Thunderstorms on Thursday will be focused on the cold front and upper system that will move through the area during the day and evening. Storms will increases in areal coverage during the afternoon along the front...with the highest coverage expected across far eastern Oklahoma and northwest Arkansas as these locations will have the greatest instability in place. Any severe storm will be capable of producing large hail and damaging winds. Severe weather chances will diminish by late evening as the frontal boundary pushes east. However...storm chances will likely linger during the overnight hours as the lagging upper system clears the area. After a dry weekend that will see moderating temperatures... another upper low will moves into the northwest United States and increase thunderstorm chances for the plains by early next work week. weather.gov/tulsa Contains additional information.
In the hours before
Special weather statement, May 10, 3:20 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Tulsa OK
320 PM CDT WED MAY 10 2017
OKZ073-102045-
Pittsburg OK-
320 PM CDT WED MAY 10 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN PITTSBURG COUNTY
UNTIL 345 PM CDT...
At 320 PM CDT, a strong thunderstorm was located 6 miles southwest of
Ashland, moving northeast at 40 mph.
Nickel size hail will be possible with this storm.
Locations in or near the path include...
Mcalester... Kiowa...
Savanna... Ashland...
Haywood... Arpelar...
LAT...LON 3489 9609 3505 9589 3484 9568 3468 9598
3468 9609
TIME...MOT...LOC 2020Z 231DEG 35KT 3471 9616
LacyThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 3:36 PM CDT | Special Weather Statement | TSA | Okfuskee | 24 min |
| May 10, 3:46 PM CDT | Special Weather Statement | TSA | Kay | 29 min |
| May 10, 3:56 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 34 min |
| May 10, 4:00 PM CDT | Special Weather Statement | TSA | Okmulgee | 30 min |
| May 10, 4:04 PM CDT | Special Weather Statement | TSA | Pittsburg | 26 min |
| May 10, 4:25 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 35 min |
| May 10, 4:27 PM CDT | Special Weather Statement | TSA | Kay | 33 min |
| May 10, 5:03 PM CDT | Special Weather Statement | TSA | Pittsburg | 27 min |
| May 10, 5:35 PM CDT | Areal Flood Advisory | TSA | Osage | 3 hr |
| May 10, 5:48 PM CDT | Special Weather Statement | TSA | Ottawa | 27 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.