Alert archive / Idaho / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 9, NWS Boise, ID
NWS Boise, ID issued this severe thunderstorm warning at Apr 7, 1995, 8:30 PM MDT for Canyon County, Gem County, Payette County, Idaho. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Apr 7, 1995, 8:30 PM MDT (02:30 UTC)
- Expired
- Apr 7, 1995, 9:00 PM MDT
- In force
- 30 min
- Issued by
- NWS Boise, ID
- Area
- Whole counties
Counties Canyon County, ID, Gem County, ID, Payette County, ID
The radar
The Boise radar (KCBX), 55 km from the middle of the area, began a volume at 02:29 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, 2.5 hours before the alert went out and 50 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 1 minute 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, 56 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, 55 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, 8:51 PM MDT | Flash Flood Warning | BOI | Ada, Boise, Canyon, Gem | 69 min |
| Apr 7, 8:51 PM MDT | Flash Flood Warning | BOI | Payette, Washington | 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
Severe Thunderstorm Warnings in Idaho, 1995Every severe thunderstorm 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.