Alert archive / Oklahoma / Tornado Warnings in 2021
Tornado Warning 27, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at May 27, 2021, 7:07 PM CDT for McIntosh County, Oklahoma. It was in force for 28 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
- May 27, 2021, 7:07 PM CDT (00:07 UTC)
- Expired
- May 27, 2021, 7:35 PM CDT
- In force
- 28 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
County McIntosh County, OK
The radar
The Tulsa radar (KINX), 106 km from the middle of the area, began a volume at 00:07 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 |
|---|---|---|---|
| May 27, 7:11 PM CDT | TSTM WND DMG | 4 N Hanna, OK | SEVERAL TREES DOWN AND ONE STRUCTURE DAMAGED. |
| May 27, 7:15 PM CDT | TORNADO | 4 Ne Hanna, OK | EF 1 DAMAGE. UPROOTED TREES, SNAPPED TREES, POWER POLE DAMAGE, DAMAGE TO HOME. |
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 |
|---|---|---|---|
| May 27, 11:58 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 0.1 hours before the alert went out and 303 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
- 1480 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1331 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 203 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.7
The text
As transmitted.
956
WFUS54 KTSA 280007
TORTSA
OKC091-280045-
/O.NEW.KTSA.TO.W.0027.210528T0007Z-210528T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
707 PM CDT Thu May 27 2021
The National Weather Service in Tulsa has issued a
* Tornado Warning for...
Southwestern McIntosh County in southeastern Oklahoma...
* Until 745 PM CDT.
* At 706 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles east of Dustin, moving east at 40 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations in or near the path include...
Eufaula... Hanna...
Raiford... Vivian...
Vernon...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3532 9598 3535 9558 3523 9559 3522 9560
3522 9562 3524 9560 3525 9561 3522 9568
3520 9568 3520 9571 3519 9572 3519 9574
3518 9576 3520 9579 3519 9583 3520 9598
TIME...MOT...LOC 0006Z 273DEG 36KT 3526 9597
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
693 follow-up statements
364
WWUS54 KTSA 280015
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
715 PM CDT Thu May 27 2021
OKC091-280045-
/O.CON.KTSA.TO.W.0027.000000T0000Z-210528T0045Z/
McIntosh OK-
715 PM CDT Thu May 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHWESTERN MCINTOSH COUNTY...
At 715 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Raiford, moving east at 45 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Eufaula... Hanna...
Raiford... Vivian...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3535 9558 3523 9559 3522 9560 3522 9562
3524 9560 3525 9561 3522 9568 3520 9568
3520 9571 3519 9572 3519 9574 3518 9576
3520 9579 3519 9583 3519 9589 3533 9587
TIME...MOT...LOC 0015Z 273DEG 39KT 3525 9583
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
69095
WWUS54 KTSA 280028 RRA
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
728 PM CDT Thu May 27 2021
OKC091-280045-
/O.CON.KTSA.TO.W.0027.000000T0000Z-210528T0045Z/
McIntosh OK-
728 PM CDT Thu May 27 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SOUTH
CENTRAL MCINTOSH COUNTY...
At 728 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles southeast of Vivian, moving east at 40 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations in or near the path include...
Eufaula... Vivian...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3535 9558 3523 9559 3522 9560 3522 9562
3524 9560 3525 9561 3522 9568 3520 9568
3520 9571 3519 9572 3519 9574 3533 9576
TIME...MOT...LOC 0028Z 273DEG 36KT 3524 9567
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
69344
WWUS54 KTSA 280035
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
735 PM CDT Thu May 27 2021
OKC091-280044-
/O.CAN.KTSA.TO.W.0027.000000T0000Z-210528T0045Z/
McIntosh OK-
735 PM CDT Thu May 27 2021
...THE TORNADO WARNING FOR SOUTH CENTRAL MCINTOSH COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled. However large hail to
golf ball size and damaging winds to 70 mph are still possible with
this thunderstorm.
A severe thunderstorm warning remains in effect until 745 pm.
A Tornado Watch remains in effect until 900 PM CDT for southeastern
Oklahoma.
LAT...LON 3535 9558 3523 9559 3522 9560 3522 9562
3524 9560 3525 9561 3522 9568 3520 9568
3520 9571 3519 9572 3519 9574 3533 9576
TIME...MOT...LOC 0032Z 273DEG 36KT 3524 9559
$$
69The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:27 PM CDT | Areal Flood Warning | TSA | Ottawa | 12 hr |
| May 27, 7:30 PM CDT | Special Weather Statement | TSA | Muskogee | 30 min |
| May 27, 7:32 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, McIntosh, Muskogee, Pittsburg | 43 min |
| May 27, 7:33 PM CDT | Areal Flood Warning | TSA | Osage, Pawnee, Rogers, Tulsa, Washington | 11 hr |
| May 27, 7:37 PM CDT | Flash Flood Warning | TSA | Adair, Cherokee, Haskell, McIntosh, Muskogee, Okfuskee and 3 more | 3 hr |
| May 27, 7:49 PM CDT | Special Weather Statement | TSA | Sequoyah | 26 min |
| May 27, 7:53 PM CDT | Special Weather Statement | TSA | Sequoyah | 37 min |
| May 27, 7:54 PM CDT | River Flood Warning | TSA | Osage | 19 hr |
| May 27, 7:55 PM CDT | River Flood Warning | TSA | Osage, Tulsa | 31 hr |
| May 27, 7:56 PM CDT | River Flood Warning | TSA | Tulsa | 44 hr |
| May 27, 7:58 PM CDT | River Flood Warning | TSA | Rogers, Tulsa | 36 hr |
| May 27, 8:01 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg | 44 min |
| May 27, 8:03 PM CDT | Special Weather Statement | TSA | Latimer | 27 min |
| May 27, 8:04 PM CDT | River Flood Advisory | TSA | Cherokee | 49 hr |
| May 27, 8:24 PM CDT | Special Weather Statement | TSA | Latimer | 36 min |
| May 27, 8:36 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore | 39 min |
| May 27, 8:47 PM CDT | Flash Flood Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg, Pushmataha, Sequoyah | 2 hr |
| May 27, 8:51 PM CDT | Areal Flood Warning | TSA | Creek, Okfuskee, Okmulgee | 10 hr |
| May 27, 8:52 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 53 min |
| May 27, 8:54 PM CDT | Areal Flood Warning | TSA | Adair, Cherokee, Muskogee, Okmulgee, Wagoner | 10 hr |
| May 27, 10:00 PM CDT | Flash Flood Warning | TSA | LeFlore | 3 hr |
| May 27, 10:43 PM CDT | Areal Flood Warning | TSA | Adair, Cherokee, Haskell, McIntosh, Muskogee, Okfuskee and 3 more | 8 hr |
| May 27, 10:47 PM CDT | Areal Flood Warning | TSA | Haskell, Latimer, LeFlore, Pittsburg, Pushmataha, Sequoyah | 8 hr |
| May 28, 9:14 AM CDT | River Flood Warning | TSA | LeFlore | 18 hr |
| May 28, 9:14 AM CDT | River Flood Advisory | TSA | Sequoyah | 3 hr |
Nearby
Tornado Warnings in Oklahoma, 2021Every tornado warning in 2021Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.