Alert archive / Idaho / Flash Flood Warnings in 1995
Flash Flood Warning 2, NWS Boise, ID
NWS Boise, ID issued this flash flood warning at Apr 7, 1995, 8:51 PM MDT for Payette County, Washington County, Idaho. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Apr 7, 1995, 8:51 PM MDT (02:51 UTC)
- Expired
- Apr 7, 1995, 10:00 PM MDT
- In force
- 69 min
- Issued by
- NWS Boise, ID
- Area
- Whole counties
Counties Payette County, ID, Washington County, ID
The radar
The Boise radar (KCBX), 93 km from the middle of the area, began a volume at 02:52 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
Boise Airport, ID (KBOI), launched 00:00Z, 2.9 hours before the alert went out and 87 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
- 26 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1807 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBOI 080252
FFWBOI
IDC001-015-027-045-075-087-085-080400-
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BOISE ID
851 PM MDT FRI APR 7 1995
THE NATIONAL WEATHER SERVICE IN BOISE ID HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL 1000 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN SOUTHWEST IDAHO
...NORTHERN ADA COUNTY...WESTERN BOISE COUNTY
...EASTERN CANYON COUNTY...GEM COUNTY...EASTERN PAYETTE COUNTY
...SOUTHEASTERN WASHINGTON COUNTY
IN WEST CENTRAL IDAHO
...SOUTHWESTERN VALLEY COUNTY
WEATHER SERVICE RADAR INDICATES A LINE OF SEVERE THUNDERSTORMS MOVING
INTO SOUTHWESTERN IDAHO FROM EASTERN OREGON...EXTENDING FROM 45 MILES
NORTH OF BOISE TO 20 MILES SOUTHWEST OF BOISE. THE LINE IS MOVING
NORTHEAST AT 35 MPH.
THE STORMS WILL AFFECT THE BOISE AND MERIDIAN AREAS...ALSO HORSESHOE
BEND AND BANKS...DURING THE NEXT 30 MINUTES.
REPORTS INDICATE FROM HALF AN INCH TO ONE INCH OF RAINFALL DURING THE
PAST HOUR WITH THIS LINE OF STORMS...ALSO WIND GUSTS OVER 50 MILES AN
HOUR...FREQUENT CLOUD-TO-GROUND LIGHTNING...AND SMALL HAIL.
CREEKS ALONG THE BOISE FRONT AND IN THE FOOTHILLS AND MOUNTAINS NORTH OF
BOISE COULD RISE RAPIDLY THIS EVENING.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH..AEHL.AYLHN PLOS ODVO ST.
REB SDASRNBLN A AF IWS
NN
jjjjj
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BOISE ID
851 PM MDT FRI APR 7 1995
THE NATIONAL WEATHER SERVICE IN BOISE ID HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL 1000 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
IN SOUTHWEST IDAHO
...NORTHERN ADA COUNTY...WESTERN BOISE COUNTY
...EASTERN CANYON COUNTY...GEM COUNTY...EASTERN PAYETTE COUNTY
...SOUTHEASTERN WASHINGTON COUNTY
IN WEST CENTRAL IDAHO
...SOUTHWESTERN VALLEY COUNTY
WEATHER SERVICE RADAR INDICATES A LINE OF SEVERE THUNDERSTORMS MOVING
INTO SOUTHWESTERN IDAHO FROM EASTERN OREGON...EXTENDING FROM 45 MILES
NORTH OF BOISE TO 20 MILES SOUTHWEST OF BOISE. THE LINE IS MOVING
NORTHEAST AT 35 MPH.
THE STORMS WILL AFFECT THE BOISE AND MERIDIAN AREAS...ALSO HORSESHOE
BEND AND BANKS...DURING THE NEXT 30 MINUTES.
REPORTS INDICATE FROM HALF AN INCH TO ONE INCH OF RAINFALL DURING THE
PAST HOUR WITH THIS LINE OF STORMS...ALSO WIND GUSTS OVER 50 MILES AN
HOUR...FREQUENT CLOUD-TO-GROUND LIGHTNING...AND SMALL HAIL.
CREEKS ALONG THE BOISE FRONT AND IN THE FOOTHILLS AND MOUNTAINS NORTH OF
BOISE COULD RISE RAPIDLY THIS EVENING.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS0.What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 7, 5:29 PM MDT, 3 hours 22 minutes before
IDZ001-080030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 529 PM MDT FRI APR 7 1995 AT 525 PM A STRONG THUNDERSTORM WAS LOCATED IN EXTREME EASTERN MALHEUR COUNTY OR 10 MILES SOUTHWEST OF WEISER. THIS STORM IS MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. THIS STORM SHOULD REACH WEISER BY 545 PM. THIS STORM MAY BRING HEAVY RAIN AND SMALL HAIL.
Special weather statement, Apr 7, 7:34 PM MDT, 1 hour 17 minutes before
IDZ001-006-080230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 734 PM MDT FRI APR 7 1995 AT 730 PM MDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 35 MILES NORTHWEST OF ONTARIO TO 50 MILES SOUTHWEST OF ONTARIO AND WAS MOVING NORTH EAST AT 30 MILES AN HOUR. THESE STORMS SHOULD ENTER THE WESTERN TREASURE VALLEY AROUND 8PM. ANOTHER LINE OF STRONG THUNDERSTORMS WAS LOCATED IN NORTHERN GEM COUNTY TO NEAR 10 MILES SOUTH OF MCALL. THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THESE STORMS MAY BRING HEAVY RAIN...HIGH WINDS...AND SMALL HAIL.
Special weather statement, Apr 7, 7:35 PM MDT, 1 hour 16 minutes before
IDZ001-006-080230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 734 PM MDT FRI APR 7 1995 AT 730 PM MDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM 35 MILES NORTHWEST OF ONTARIO TO 50 MILES SOUTHWEST OF ONTARIO AND WAS MOVING NORTH EAST AT 30 MILES AN HOUR. THESE STORMS SHOULD ENTER THE WESTERN TREASURE VALLEY AROUND 8PM. ANOTHER LINE OF STRONG THUNDERSTORMS WAS LOCATED IN NORTHERN GEM COUNTY TO NEAR 10 MILES SOUTH OF MCAL6L. THESE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. THESE STORMS MAY BRING HEAVY RAIN...HIGH WINDS...AND SMALL HAIL.
The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 6:18 PM MDT | Severe Thunderstorm Warning | BOI | Washington | 37 min |
| Apr 7, 7:55 PM MDT | Severe Thunderstorm Warning | BOI | Canyon, Payette | 35 min |
| Apr 7, 8:30 PM MDT | Severe Thunderstorm Warning | BOI | Canyon, Gem, Payette | 30 min |
| Apr 7, 8:51 PM MDT | Flash Flood Warning | BOI | Ada, Boise, Canyon, Gem | 69 min |
| Apr 7, 8:51 PM MDT | Flash Flood Warning | BOI | Valley | 69 min |
| Apr 7, 8:51 PM MDT | Severe Thunderstorm Warning | BOI | Ada, Boise, Gem, Valley | 69 min |
| Apr 7, 8:51 PM MDT | Severe Thunderstorm Warning | BOI | Payette, Washington | 69 min |
| Apr 7, 8:51 PM MDT | Severe Thunderstorm Warning | BOI | Canyon | 69 min |
Nearby
Flash Flood Warnings in Idaho, 1995Every flash flood warning in 1995
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.