Alert archive / Oklahoma / Flash Flood Warnings in 2019

Flash Flood Warning 7, NWS Tulsa, OK

May 1, 20195 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 1, 2019, 3:54 AM CDT for 5 counties in Oklahoma. It was in force for 6 hr. 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 1, 2019, 3:54 AM CDT (08:54 UTC)
Expired
May 1, 2019, 10:00 AM CDT
In force
6 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Haskell County, OK, Latimer County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK

The radar

The Tulsa radar (KINX), 119 km from the middle of the area, began a volume at 08:58 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 00:00Z, 8.9 hours before the alert went out and 140 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2019-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2019-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
65 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
862 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

399 
WGUS54 KTSA 010854
FFWTSA
OKC061-077-091-101-121-011500-
/O.NEW.KTSA.FF.W.0007.190501T0854Z-190501T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
354 AM CDT Wed May 1 2019

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Western Haskell County in southeastern Oklahoma...
  Central McIntosh County in southeastern Oklahoma...
  Northwestern Latimer County in southeastern Oklahoma...
  Northern Pittsburg County in southeastern Oklahoma...
  Southeastern Muskogee County in east central Oklahoma...

* Until 1000 AM CDT Wednesday.

* At 352 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Radar estimates 1 to 2 inches 
  of rain has fallen over the past few hours. Another round of heavy 
  rainfall will be affecting the area soon. Flash flooding is 
  expected to begin shortly.

* Some locations that may experience flooding include...
  Mcalester...                      Eufaula...
  Stigler...                        Quinton...
  Porum...                          Crowder...
  Whitefield...                     Kinta...
  Canadian...                       Indianola...
  Briartown...                      Blocker...
  Vivian...                         Robbers Cave State Park...
  Arrowhead State Park...           Enterprise...
  Scipio...                         Featherston...
  Lewisville...                     

Another inch or so of rainfall is expected with this next round of 
heavy rainfall. This should exacerbate the flood situation and 
therefre a flash flood warning will be issued.

LAT...LON 3506 9607 3509 9606 3512 9603 3512 9601
      3515 9601 3515 9599 3516 9598 3524 9571
      3534 9579 3546 9508 3494 9516 3497 9609
      3505 9609

$$

Lacy

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 30, 7:07 PM CDTAreal Flood AdvisoryTSACreek, Tulsa3 hr
Apr 30, 7:45 PM CDTFlash Flood WarningTSACraig, Creek, Mayes, Okmulgee, Osage, Rogers and 3 more6 hr
Apr 30, 8:48 PM CDTFlash Flood WarningTSACherokee, Delaware, Mayes, Ottawa6 hr
Apr 30, 8:57 PM CDTSpecial Weather StatementTSAMcIntosh, Muskogee48 min
Apr 30, 9:01 PM CDTSpecial Weather StatementTSACherokee29 min
Apr 30, 9:14 PM CDTSpecial Weather StatementTSADelaware31 min
Apr 30, 9:17 PM CDTSpecial Weather StatementTSAAdair, Cherokee, Muskogee28 min
Apr 30, 9:43 PM CDTAreal Flood WarningTSACraig, Nowata, Osage, Rogers, Washington21 hr
Apr 30, 9:49 PM CDTTornado WarningTSAPittsburg41 min
Apr 30, 9:54 PM CDTSpecial Weather StatementTSAAdair51 min
Apr 30, 10:22 PM CDTTornado WarningTSAPittsburg23 min
Apr 30, 10:36 PM CDTTornado WarningTSAPittsburg24 min
Apr 30, 10:42 PM CDTSevere Thunderstorm WarningTSALatimer, Pittsburg, Pushmataha48 min
Apr 30, 10:47 PM CDTTornado Warning Tornado observedTSAHaskell, Latimer, Pittsburg43 min
Apr 30, 11:18 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore, Muskogee, Sequoyah42 min
Apr 30, 11:21 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore, Pushmataha39 min
Apr 30, 11:44 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore46 min
Apr 30, 11:47 PM CDTSevere Thunderstorm WarningTSAHaskell, LeFlore, Sequoyah43 min
Apr 30, 11:53 PM CDTTornado WarningTSALeFlore24 min
May 1, 12:14 AM CDTAreal Flood WarningTSACraig, Delaware, Mayes, Ottawa18 hr
May 1, 12:41 AM CDTRiver Flood WarningTSAOttawa61 hr
May 1, 1:15 AM CDTAreal Flood AdvisoryTSAPittsburg3 hr
May 1, 1:16 AM CDTAreal Flood WarningTSADelaware, Mayes, Ottawa18 hr
May 1, 1:33 AM CDTSpecial Weather StatementTSAHughes42 min
May 1, 1:37 AM CDTAreal Flood AdvisoryTSAChoctaw, Latimer, LeFlore, Pittsburg, Pushmataha3 hr
May 1, 2:36 AM CDTSpecial Weather StatementTSAOkfuskee, Okmulgee24 min
May 1, 2:49 AM CDTSpecial Weather StatementTSAOkfuskee41 min
May 1, 2:54 AM CDTRiver Flood WarningTSACreek17 hr
May 1, 3:05 AM CDTAreal Flood AdvisoryTSAHaskell, McIntosh, Okfuskee, Okmulgee, Pittsburg3 hr
May 1, 3:17 AM CDTSpecial Weather StatementTSAMcIntosh, Muskogee, Okfuskee, Okmulgee43 min
May 1, 3:47 AM CDTFlash Flood WarningTSAMcIntosh, Okfuskee, Okmulgee6 hr
May 1, 4:04 AM CDTSpecial Weather StatementTSAPittsburg26 min
May 1, 4:20 AM CDTSpecial Weather StatementTSAHaskell25 min
May 1, 4:33 AM CDTSpecial Weather StatementTSALatimer, Pushmataha42 min
May 1, 4:38 AM CDTSpecial Weather StatementTSALeFlore52 min
May 1, 5:15 AM CDTFlash Flood WarningTSAHaskell, Latimer, LeFlore, Pittsburg, Pushmataha3 hr
May 1, 7:35 AM CDTAreal Flood WarningTSAHaskell, Latimer, LeFlore, McIntosh, Muskogee, Okfuskee and 3 more9 hr
May 1, 8:50 AM CDTRiver Flood WarningTSAAdair, Cherokee, Delaware30 hr
May 1, 2:51 PM CDTRiver Flood WarningTSALeFlore11 hr
May 1, 3:18 PM CDTFlash Flood WatchTSAAdair, Cherokee, McIntosh, Muskogee, Okfuskee, Okmulgee and 1 more13 hr
May 1, 6:52 PM CDTSpecial Weather StatementTSAPittsburg38 min

Nearby

Flash Flood Warnings in Oklahoma, 2019Every flash flood warning in 2019

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.