Alert archive / Idaho / Flash Flood Warnings in 2012
Flash Flood Warning 3, NWS Pocatello, ID
NWS Pocatello, ID issued this flash flood warning at Sep 1, 2012, 5:49 PM MDT for Bannock County, Power County, Idaho. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2012, 5:49 PM MDT (23:49 UTC)
- Expired
- Sep 1, 2012, 7:45 PM MDT
- In force
- 116 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bannock County, ID, Power County, ID
The radar
The Pocatello radar (KSFX), 38 km from the middle of the area, began a volume at 23:51 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 11.8 hours before the alert went out and 230 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
- 158 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 978 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
307 WGUS55 KPIH 012349 FFWPIH IDC005-077-020145- /O.NEW.KPIH.FF.W.0003.120901T2349Z-120902T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE POCATELLO ID 549 PM MDT SAT SEP 1 2012 THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL BANNOCK COUNTY IN SOUTHEAST IDAHO... EAST CENTRAL POWER COUNTY IN SOUTHEAST IDAHO... * UNTIL 745 PM MDT * AT 542 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS THAT COULD BE AFFECTED INCLUDE... RURAL EASTERN POWER COUNTY... RURAL CENTRAL BANNOCK COUNTY INCLUDING THE RECENT CHARLOTTE FIRE BURN AREA AND THE MINK CREEK AND GIBSON JACK CREEK AREA... PRECAUTIONARY/PREPAREDNESS ACTIONS... NATIONAL WEATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH HEAVY RAIN APPROACHING THE RECENT CHARLOTTE FIRE BURN AREA INCLUDING MINK CREEK AND GIBSON JACK CREEK. HEAVY RAIN UP TO ONE HALF INCH IS POSSIBLE AND MAY PRODUCE FLASH FLOODING IN THE BURN AREA. && LAT...LON 4286 11267 4289 11224 4275 11216 4265 11267 $$ RS
2 follow-up statements
624 WGUS75 KPIH 020045 FFSPIH FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 645 PM MDT SAT SEP 1 2012 IDC005-077-020145- /O.CON.KPIH.FF.W.0003.000000T0000Z-120902T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ POWER ID-BANNOCK ID- 645 PM MDT SAT SEP 1 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR CENTRAL BANNOCK AND EAST CENTRAL POWER COUNTIES... AT 637 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE HEAVY RAIN FROM THUNDERSTORMS FALLING OVER THE MOUNTAINS WEST OF MINK CREEK AND GIBSON JACK CREEK...INCLUDING THE AREA OF THE RECENT CHARLOTTE FIRE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT HALL BANNOCK CREEK LODGE PRECAUTIONARY/PREPAREDNESS ACTIONS... RAIN...HEAVY AT TIMES CONTINUES TO FALL IN THE AREA. FLASH FLOODING IS POSSIBLE EVEN AFTER THE RAIN ENDS AND THE THREAT IS INCREASED FOR BLACK AREAS FROM RECENT WILDFIRES. && LAT...LON 4286 11267 4289 11224 4275 11216 4265 11267 $$ RS
121 WGUS75 KPIH 020141 FFSPIH FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 741 PM MDT SAT SEP 1 2012 IDC005-077-020150- /O.EXP.KPIH.FF.W.0003.000000T0000Z-120902T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ POWER ID-BANNOCK ID- 741 PM MDT SAT SEP 1 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 745 PM MDT FOR CENTRAL BANNOCK AND EAST CENTRAL POWER COUNTIES... LAT...LON 4286 11267 4289 11224 4275 11216 4265 11267 $$ RS
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 6:04 PM MDT | Special Weather Statement | PIH | Minidoka | 56 min |
| Aug 31, 6:08 PM MDT | Special Weather Statement | PIH | Cassia | 67 min |
| Aug 31, 6:56 PM MDT | Special Weather Statement | PIH | Cassia | 64 min |
| Aug 31, 6:57 PM MDT | Special Weather Statement | PIH | Power | 63 min |
| Aug 31, 7:08 PM MDT | Special Weather Statement | PIH | Madison | 52 min |
| Aug 31, 7:48 PM MDT | Special Weather Statement | PIH | Madison | 42 min |
| Aug 31, 7:55 PM MDT | Special Weather Statement | PIH | Butte | 65 min |
| Aug 31, 8:02 PM MDT | Special Weather Statement | PIH | Cassia, Minidoka, Power | 88 min |
| Aug 31, 8:31 PM MDT | Special Weather Statement | PIH | Jefferson | 59 min |
| Aug 31, 8:48 PM MDT | Special Weather Statement | PIH | Cassia | 42 min |
| Aug 31, 9:14 PM MDT | Special Weather Statement | PIH | Cassia | 46 min |
| Aug 31, 9:23 PM MDT | Special Weather Statement | PIH | Jefferson | 67 min |
| Aug 31, 9:57 PM MDT | Severe Thunderstorm Warning | PIH | Blaine, Cassia, Lincoln, Minidoka, Oneida, Power | 48 min |
| Aug 31, 10:45 PM MDT | Special Weather Statement | PIH | Bannock, Franklin, Oneida, Power | 45 min |
| Sep 1, 1:18 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 10 more | 9 hr |
| Sep 1, 3:06 PM MDT | Special Weather Statement | PIH | Franklin | 54 min |
| Sep 1, 3:19 PM MDT | Severe Thunderstorm Warning | PIH | Cassia, Minidoka | 41 min |
| Sep 1, 3:28 PM MDT | Tornado Warning | PIH | Cassia, Minidoka | 47 min |
| Sep 1, 4:10 PM MDT | Tornado Warning | PIH | Blaine, Cassia, Minidoka, Power | 50 min |
| Sep 1, 4:56 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Bingham, Blaine, Cassia, Power | 64 min |
| Sep 1, 5:17 PM MDT | Special Weather Statement | PIH | Clark | 43 min |
Nearby
Flash Flood Warnings in Idaho, 2012Every flash flood warning in 2012
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.