Alert archive / Nebraska / Flash Flood Warnings in 2014
Flash Flood Warning 8, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at May 26, 2014, 1:19 PM MDT for Cheyenne County, 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, 1:19 PM MDT (19:19 UTC)
- Expired
- May 26, 2014, 7:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cheyenne County, NE, Kimball County, NE
The radar
The Cheyenne radar (KCYS), 112 km from the middle of the area, began a volume at 19:19 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, 7.3 hours before the alert went out and 139 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.
866
WGUS55 KCYS 261919
FFWCYS
NEC033-105-270100-
/O.NEW.KCYS.FF.W.0008.140526T1919Z-140527T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
119 PM MDT MON MAY 26 2014
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA...
SOUTHWESTERN CHEYENNE COUNTY IN THE PANHANDLE OF NEBRASKA...
* UNTIL 700 PM MDT
* AT 114 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS
SOUTHERN KIMBALL AND WESTERN CHEYENNE COUNTIES IN NEBRASKA.
AROUND ONE INCH OF RAINFALL HAS FALLEN OVER THE WESTERN PORTION OF
THE LODGEPOLE CREEK DRAINAGE AREA. AN ADDITIONAL ONE TO TWO
INCHES OF RAINFALL ARE POSSIBLE THROUGH 4 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KIMBALL...BROWNSON...DIX...KIMBALL AIRPORT...LORENZO...OLIVER
CAMPGROUND...OLIVER RESERVOIR AND POTTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4100 10398 4129 10381 4129 10304 4108 10302
4100 10302
$$2 follow-up statements
169
WGUS75 KCYS 262234
FFSCYS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
434 PM MDT MON MAY 26 2014
NEC033-105-270100-
/O.CON.KCYS.FF.W.0008.000000T0000Z-140527T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEYENNE NE-KIMBALL NE-
434 PM MDT MON MAY 26 2014
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN KIMBALL AND
SOUTHWESTERN CHEYENNE COUNTIES UNTIL 700 PM MDT...
AT 426 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS STILL
INDICATING WIDESPREAD RAINFALL TAKING PLACE ACROSS THE WARNED AREA.
DOPPLER RADAR RAINFALL AMOUNTS HAVE GENERALLY RANGED FROM 1 TO 2
INCHES IN PORTIONS OF THE WARNED AREA.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KIMBALL...BROWNSON...DIX...KIMBALL AIRPORT...LORENZO...OLIVER
CAMPGROUND...OLIVER RESERVOIR AND POTTER. SOME CREEKS THAT WILL BE
IMPACTED BY THE HEAVY RAINFALL IS LODGEPOLE AND SAND DRAW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4100 10398 4129 10381 4129 10304 4108 10302
4100 10302
$$
COX856
WGUS75 KCYS 270052
FFSCYS
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
652 PM MDT MON MAY 26 2014
NEC033-105-270107-
/O.EXP.KCYS.FF.W.0008.000000T0000Z-140527T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEYENNE NE-KIMBALL NE-
652 PM MDT MON MAY 26 2014
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN
KIMBALL AND SOUTHWESTERN CHEYENNE COUNTIES WILL BE ALLOWED TO EXPIRE
AT 700 PM MDT...
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 4100 10398 4129 10381 4129 10304 4108 10302
4100 10302
$$
COXThe 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, 2:33 PM MDT | Special Weather Statement | CYS | Kimball | 57 min |
| May 26, 3:16 PM MDT | Flash Flood Warning | CYS | Kimball | 6 hr |
| 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.