Alert archive / Nebraska / Flash Flood Warnings in 2014
Flash Flood Warning 9, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at May 26, 2014, 3:16 PM MDT for Kimball County, Nebraska. 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 26, 2014, 3:16 PM MDT (21:16 UTC)
- Expired
- May 26, 2014, 9:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Flood severity
- None
County Kimball County, NE
The radar
The Cheyenne radar (KCYS), 100 km from the middle of the area, began a volume at 21:18 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
Denver, CO (KDEN), launched 12:00Z, 9.3 hours before the alert went out and 168 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
- 52 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
648 WGUS55 KCYS 262116 FFWCYS NEC105-270300- /O.NEW.KCYS.FF.W.0009.140526T2116Z-140527T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 316 PM MDT MON MAY 26 2014 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 900 PM MDT * AT 306 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A COUPLE OF SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL IN THE WARNED AREA. DOPPLER RADAR WAS INDICATING RAINFALL AMOUNTS BETWEEN ONE HALF AND THREE QUARTERS OF AN INCH THUS FAR. HOWEVER...INSTANTANEOUS RATES WERE BETWEEN 1.5 AND 2.5 INCHES PER HOUR WHICH IS SIGNAL OF TORRENTIAL RAINFALL IN A SHORT PERIOD OF TIME. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF 1 INCH ARE POSSIBLE IN THE WARNED AREA. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 4140 10382 4139 10338 4129 10337 4128 10381 $$ COX
2 follow-up statements
807 WGUS75 KCYS 262328 FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 528 PM MDT MON MAY 26 2014 NEC105-270300- /O.CON.KCYS.FF.W.0009.000000T0000Z-140527T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KIMBALL NE- 528 PM MDT MON MAY 26 2014 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN KIMBALL COUNTY UNTIL 900 PM MDT... AT 525 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE BULK OF THE HEAVY RAINFALL HAD ENDED ACROSS THE WARNED AREA. LITTLE IF ANY ADDITIONAL RAINFALL IS EXPECTED AT THIS TIME...BUT AREA CREEKS MAY STILL BE RUNNING HIGH FROM RUNOFF. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 4140 10382 4139 10338 4129 10337 4128 10381 $$ COX
870 WGUS75 KCYS 270053 FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 653 PM MDT MON MAY 26 2014 NEC105-270108- /O.CAN.KCYS.FF.W.0009.000000T0000Z-140527T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KIMBALL NE- 653 PM MDT MON MAY 26 2014 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN KIMBALL COUNTY IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 4140 10382 4139 10338 4129 10337 4128 10381 $$ COX
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 6:11 PM MDT | Special Weather Statement | CYS | Banner | 34 min |
| May 26, 12:07 AM MDT | Areal Flood Advisory | CYS | Banner, Scotts Bluff | 6 hr |
| May 26, 1:19 PM MDT | Flash Flood Warning | CYS | Cheyenne, Kimball | 6 hr |
| May 26, 2:33 PM MDT | Special Weather Statement | CYS | Kimball | 57 min |
| May 26, 3:47 PM MDT | Special Weather Statement | CYS | Kimball | 58 min |
Nearby
Flash Flood Warnings in Nebraska, 2014Every flash flood warning in 2014
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.