Alert archive / Nebraska / Flash Flood Warnings in 2008
Flash Flood Warning 21, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at Aug 8, 2008, 5:39 PM MDT for Kimball County, Nebraska. It was in force for 2 hr. 1 report 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
- Aug 8, 2008, 5:39 PM MDT (23:39 UTC)
- Expired
- Aug 8, 2008, 8:01 PM MDT
- In force
- 2 hr
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Flood severity
- None
County Kimball County, NE
The radar
The Cheyenne radar (KCYS), 80 km from the middle of the area, began a volume at 23:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 8, 7:00 PM MDT | FLASH FLOOD | 8 S Bushnell, NE | LAW ENFORCEMENT REPORTED ROADS ALONG AND NEAR COUNTY ROAD 17 WERE WASHED OUT IN SEVERAL AREAS. WATER IS STARTING TO RECEED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.7 hours before the alert went out and 149 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 905 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KCYS 082339 FFWCYS NEC105-090000- /O.NEW.KCYS.FF.W.0021.080808T2339Z-080809T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 539 PM MDT FRI AUG 8 2008 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 600 PM MDT * AT 534 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. RADAR PRECIPITATION ESTIMATES OF 1.5 TO 2 INCHES IN AN HOUR. RAINFALL AND EXCESS RUNOFF MAY CAUSE FLOODING ALONG LODGE POLE CREEK. THIS STORM HAS ALSO BEEN PRODUCING PEA SIZE HAIL. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO I-80 MM 13 ADDITIONAL RAINFALL AMOUNTS OF 1 TO TWO INCHES ARE POSSIBLE ARE POSSIBLE IN THE WARNED AREA. REPORT FLOODING TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4121 10372 4101 10374 4101 10405 4119 10404 $$
3 follow-up statements
000 WGUS55 KCYS 082346 FFWCYS NEC105-090300- /O.EXT.KCYS.FF.W.0021.000000T0000Z-080809T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 546 PM MDT FRI AUG 8 2008 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS EXTENDED THE * FLASH FLOOD WARNING FOR... SOUTHWESTERN KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 900 PM MDT * AT 543 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. RADAR PRECIPITATION ESTIMATES OF 1.5 TO 2 INCHES IN AN HOUR. RAINFALL AND EXCESS RUNOFF MAY CAUSE FLOODING ALONG LODGE POLE CREEK. THIS STORM HAS ALSO BEEN PRODUCING PEA SIZE HAIL. THIS IS A CORRECTION TO THE PREVIOUS WARNING EXTENDING THE TIME TO 900 PM MDT. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO I-80 MM 17...I-80 MM 13 AND I-80 MM 5 ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA. REPORT FLOODING TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE AT 1-800-269-6220. LAT...LON 4121 10372 4101 10374 4101 10405 4119 10404 $$
000 WGUS75 KCYS 090025 FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 625 PM MDT FRI AUG 8 2008 NEC105-090300- /O.CON.KCYS.FF.W.0021.000000T0000Z-080809T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KIMBALL NE- 625 PM MDT FRI AUG 8 2008 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM MDT FOR SOUTHWESTERN KIMBALL COUNTY... AT 616 PM MDT...A TRAINED WEATHER SPOTTER LOCATED 15 MILES SOUTHWEST OF KIMBALL REPORTED FLOODING OF ROADS WITHIN THE WARNED AREA. ALTHOUGH THE STRONGER PORTION OF THE STORM HAS MOVED SOUTH INTO COLORADO...MODERATE RAINFALL WILL STILL PRODUCE RAINFALL RATES OF AN INCH IN HOUR. ADDITIONAL RAINFALL AND EXCESS RUNOFF MAY CAUSE FLOODING ALONG SAND DRAW AND POTTER DRAW. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO I-80 MM 17... I-80 MM 13 AND I-80 MM 5 ADDITIONAL RAINFALL AMOUNTS OF 1 TO 1.5 INCHES 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. MOVE TO HIGHER GROUND. LAT...LON 4121 10372 4101 10374 4101 10405 4119 10404 $$
000 WGUS75 KCYS 090201 FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 801 PM MDT FRI AUG 8 2008 NEC105-090206- /O.CAN.KCYS.FF.W.0021.000000T0000Z-080809T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KIMBALL NE- 801 PM MDT FRI AUG 8 2008 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN KIMBALL COUNTY... AT 700 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SEVERAL AREAS WASHED OUT ALONG AND NEAR COUNTY ROAD 17...ABOUT 8 MILES SOUTH OF BUSHNELL. HOWEVER...LAW ENFORCEMENT OFFICIAL STATED WATER CONTINUES TO RECEDE. SINCE THE RADAR SHOWS SHOWERS DIMINISHING ACROSS THE WARNED AREA AND WATER CONTINUES TO RECEDE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED. LAT...LON 4121 10372 4101 10374 4101 10405 4119 10404 $$
Nearby
Flash Flood Warnings in Nebraska, 2008Every flash flood warning in 2008
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.