Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 4, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 1, 2017, 12:19 AM CST for Latimer County, Pittsburg County, Oklahoma. It was in force for 56 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 1, 2017, 12:19 AM CST (06:19 UTC)
- Expired
- Mar 1, 2017, 1:15 AM CST
- In force
- 56 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.75 in
- Wind
- 70.0 mph
Counties Latimer County, OK, Pittsburg County, OK
The radar
The Western Arkansas radar (KSRX), 139 km from the middle of the area, began a volume at 06:20 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 1, 12:21 AM CST | HAIL 1 | Mcalester, OK | REPORTED AT INTERSECTION OF STRONG AND ELECTRIC STREET IN TOWN. |
| Mar 1, 12:45 AM CST | TSTM WND GST 58 | 2 Sw Wilburton, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 28, 11:35 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 6.3 hours before the alert went out and 155 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
- 401 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 1694 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 342 m²/s²
- 0-3 km storm-relative helicity
- 391 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted.
326
WUUS54 KTSA 010619
SVRTSA
OKC077-121-010715-
/O.NEW.KTSA.SV.W.0004.170301T0619Z-170301T0715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1219 AM CST WED MAR 1 2017
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Latimer County in southeastern Oklahoma...
Southern Pittsburg County in southeastern Oklahoma...
* Until 115 AM CST
* At 1218 AM CST, severe thunderstorms were located along a line
extending from near Krebs to near Savanna, moving east at 55 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Locations in or near the path include...
Mcalester... Wilburton...
Hartshorne... Krebs...
Kiowa... Savanna...
Alderson... Ashland...
Damon... Higgins...
Haywood... Blocker...
Yanush... Robbers Cave State Park...
Blanco... Haileyville...
Pittsburg... Gowen...
Panola... Dow...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A tornado watch remains in effect until 600 AM CST for southeastern
Oklahoma.
LAT...LON 3484 9608 3507 9581 3506 9508 3468 9527
3467 9588 3468 9589 3468 9609
TIME...MOT...LOC 0618Z 266DEG 49KT 3492 9574 3485 9587
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
$$
Lacy1 follow-up statement
548
WWUS54 KTSA 010633
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
1233 AM CST WED MAR 1 2017
OKC077-121-010715-
/O.CON.KTSA.SV.W.0004.000000T0000Z-170301T0715Z/
Latimer OK-Pittsburg OK-
1233 AM CST WED MAR 1 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CST
FOR LATIMER AND SOUTHERN PITTSBURG COUNTIES...
At 1231 AM CST, a severe thunderstorm was located 4 miles northwest
of Hartshorne, moving east at 55 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated. Golfball hail was reported in McAlester
with this storm.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations in or near the path include...
Mcalester... Wilburton...
Hartshorne... Krebs...
Kiowa... Savanna...
Alderson... Damon...
Higgins... Blocker...
Yanush... Robbers Cave State Park...
Blanco... Haileyville...
Pittsburg... Gowen...
Panola... Dow...
Bache...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
A tornado watch remains in effect until 600 AM CST for southeastern
Oklahoma.
LAT...LON 3485 9590 3507 9563 3506 9508 3468 9527
3467 9588 3468 9589 3468 9609
TIME...MOT...LOC 0631Z 264DEG 49KT 3491 9559
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
$$
LacyThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 10:29 PM CST | Severe Thunderstorm Warning | TSA | Osage | 31 min |
| Feb 28, 10:42 PM CST | Special Weather Statement | TSA | Washington | 33 min |
| Feb 28, 10:59 PM CST | Special Weather Statement | TSA | Washington | 31 min |
| Feb 28, 11:06 PM CST | Special Weather Statement | TSA | Craig, Nowata, Washington | 24 min |
| Feb 28, 11:10 PM CST | Severe Thunderstorm Warning | TSA | Nowata, Washington | 50 min |
| Feb 28, 11:35 PM CST | Special Weather Statement | TSA | Craig, Nowata, Ottawa | 55 min |
| Feb 28, 11:39 PM CST | Special Weather Statement | TSA | Haskell, Pittsburg | 36 min |
| Feb 28, 11:50 PM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 40 min |
| Mar 1, 12:26 AM CST | Special Weather Statement | TSA | Haskell, Sequoyah | 34 min |
| Mar 1, 12:40 AM CST | Special Weather Statement | TSA | Pushmataha | 50 min |
| Mar 1, 12:47 AM CST | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 43 min |
| Mar 1, 12:49 AM CST | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pittsburg, Pushmataha | 41 min |
| Mar 1, 12:52 AM CST | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore | 38 min |
| Mar 1, 1:09 AM CST | Special Weather Statement | TSA | Choctaw | 51 min |
| Mar 1, 1:19 AM CST | Special Weather Statement | TSA | Adair, Cherokee | 26 min |
| Mar 1, 1:27 AM CST | Special Weather Statement | TSA | LeFlore | 33 min |
| Mar 1, 1:43 AM CST | Special Weather Statement | TSA | Adair, Cherokee | 32 min |
| Mar 1, 2:07 AM CST | Special Weather Statement | TSA | Adair | 38 min |
| Mar 1, 1:27 PM CST | Red Flag Warning | TSA | Adair, Cherokee, Choctaw, Creek, Haskell, Latimer and 13 more | 6 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2017Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.