Alert archive / Alaska / Flash Flood Warnings in 2017
Flash Flood Warning 2, NWS Fairbanks, AK
NWS Fairbanks, AK issued this flash flood warning at Jun 23, 2017, 11:40 PM AKDT. It was in force for 3 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
- Jun 23, 2017, 11:40 PM AKDT (07:40 UTC)
- Expired
- Jun 24, 2017, 2:45 AM AKDT
- In force
- 3 hr
- Issued by
- NWS Fairbanks, AK
- Area
- Storm-based polygon
- Flood severity
- None
The nearest sounding before it
Fairbanks, (PFAI), launched 00:00Z, 7.7 hours before the alert went out and 247 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
- 2 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1671 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
090 WGAK59 PAFG 240744 FFWAFG AKZ224-226-241045- /O.NEW.PAFG.FF.W.0002.170624T0744Z-170624T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Fairbanks AK 1140 PM AKDT Fri Jun 23 2017 The National Weather Service in Fairbanks has issued a * Flash Flood Warning for... Near the Alaska Highway from Tanacross to Dot Lake * Until 245 AM AKDT * At 838 PM AKDT, trained weather spotters reported thunderstorms producing heavy rain across the warned area. Up to one inch of rain had already fallen. Satellite imagery suggests that locally heavy rain continues. Flash flooding is expected. * Flash flooding will remain over mainly rural areas of south central Upper Tanana Valley and the Fortymile Country and north central Eastern Alaska Range. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Warning means that flooding is imminent or occurring. If you are in the warned area move to higher ground immediately. Residents living along streams and creeks should take immediate precautions to protect life and property. && LAT...LON 6338 14347 6325 14373 6352 14437 6365 14400 $$ DJH June 2017
1 follow-up statement
807 WGAK79 PAFG 241031 FFSAFG Flash Flood Statement National Weather Service Fairbanks AK 228 AM AKDT Sat Jun 24 2017 AKZ224-226-241038- /O.CAN.PAFG.FF.W.0002.000000T0000Z-170624T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Upper Tanana Valley and the Fortymile Country-Eastern Alaska Range- 228 AM AKDT Sat Jun 24 2017 ...THE FLASH FLOOD WARNING FOR streams near the Alaska Highway from Dot Lake to Tanacross IS CANCELLED... Some showers persist in the area, but heavy rainfall has ended. Flash flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 6338 14347 6325 14373 6352 14437 6365 14400 $$ DJH JUNE 2017
The office that day
Everything else NWS Fairbanks, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:38 PM AKDT | Flash Flood Warning | AFG | 3 hr | |
| Jun 24, 4:03 AM AKDT | Brisk Wind Advisory | AFG | 10 hr | |
| Jun 24, 4:14 AM AKDT | Gale Warning | AFG | 10 hr | |
| Jun 24, 4:15 AM AKDT | High Wind Warning | AFG | 18 hr | |
| Jun 24, 9:51 AM AKDT | Areal Flood Advisory | AFG | 12 hr | |
| Jun 24, 2:03 PM AKDT | Gale Warning | AFG | 14 hr | |
| Jun 24, 2:11 PM AKDT | Small Craft Advisory | AFG | 25 hr | |
| Jun 24, 3:34 PM AKDT | Red Flag Warning | AFG | 6 hr |
Nearby
Flash Flood Warnings in Alaska, 2017Every flash flood warning in 2017
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.