Alert archive / Arkansas / Flash Flood Warnings in 2015

Flash Flood Warning 7, NWS Tulsa, OK

March 25, 2015Carroll County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Mar 25, 2015, 10:37 PM CDT for Carroll County, Arkansas. It was in force for 4 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: Mar 25, 2015, 10:37 PM CDT (03:37 UTC)
Expired: Mar 26, 2015, 2:30 AM CDT
In force: 4 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

County Carroll County, AR

The radar

The Springfield radar (KSGF), 99 km from the middle of the area, began a volume at 03:39 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

Topeka, KS (KFOE), launched 00:00Z, 3.6 hours before the alert went out and 342 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 683 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: -144 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

811 
WGUS54 KTSA 260337
FFWTSA
ARC015-260730-
/O.NEW.KTSA.FF.W.0007.150326T0337Z-150326T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1037 PM CDT WED MAR 25 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CARROLL COUNTY IN NORTHWEST ARKANSAS...

* UNTIL 230 AM CDT

* AT 1035 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AREAS OF LIGHT RAIN ACROSS THE WARNED AREA. ALTHOUGH ADDITIONAL   
RAINFALL AMOUNTS WILL REMAIN LIGHT...RADAR AND OBSERVED RAINFALL 
BETWEEN 3 AND 5 INCHES OF RAIN HAS ALREADY FALLEN AND FLOODING OF 
LOW LYING AREAS WILL LIKELY CONTINUE. THERE HAVE BEEN REPORTS OF 
SWIFT WATER RESCUES IN THE EUREKA SPRINGS AREA...AS WELL AS ANOTHER 
REPORT OF A VEHICLE SWEPT OFF OF A BRIDGE IN THE HOLIDAY ISLAND AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  BERRYVILLE...EUREKA SPRINGS...BEAVER...GRANDVIEW...GREEN FOREST...
  OAK GROVE AND URBANETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.

&&

LAT...LON 3630 9365 3630 9382 3634 9387 3651 9387
      3650 9329 3631 9329

$$

LACY

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 7:35 PM CDT	Special Weather Statement	TSA	Benton, Carroll	40 min
Mar 25, 7:47 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	28 min
Mar 25, 7:55 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Washington	50 min
Mar 25, 7:58 PM CDT	Tornado Warning	TSA	Benton, Washington	32 min
Mar 25, 8:22 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	38 min
Mar 25, 8:23 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Madison, Washington	52 min
Mar 25, 8:33 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Washington	42 min
Mar 25, 9:04 PM CDT	Severe Thunderstorm Warning	TSA	Benton, Carroll, Madison, Washington	56 min
Mar 25, 9:30 PM CDT	Flash Flood Warning	TSA	Carroll, Madison	4 hr
Mar 25, 9:47 PM CDT	Special Weather Statement	TSA	Washington	28 min
Mar 25, 9:49 PM CDT	Areal Flood Advisory	TSA	Benton, Washington	116 min
Mar 25, 9:53 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	52 min
Mar 25, 10:25 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	35 min
Mar 25, 11:46 PM CDT	Special Weather Statement	TSA	Sebastian	44 min
Mar 26, 2:29 AM CDT	Areal Flood Warning	TSA	Carroll	4 hr

Nearby

Flash Flood Warnings in Arkansas, 2015 Every flash flood warning in 2015

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.