Alert archive / Oregon / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 21, NWS Boise, ID
NWS Boise, ID issued this severe thunderstorm warning at Jul 22, 1992, 5:27 PM MDT for Malheur County, Oregon; Payette County, Idaho. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Jul 22, 1992, 5:27 PM MDT (23:27 UTC)
- Expired
- Jul 22, 1992, 5:56 PM MDT
- In force
- 29 min
- Issued by
- NWS Boise, ID
- Area
- Whole counties
Counties Payette County, ID, Malheur County, OR
The nearest sounding before it
Boise Airport, ID (KBOI), launched 12:00Z, 11.5 hours before the alert went out and 80 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
- 3267 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBOI 222328 SVRBOI IDC075-087-ORC045-230030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BOISE ID 527 PM MDT WED JUL 22 1992 THE NATIONAL WEATHER SERVICE IN BOISE ID HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST IDAHO ...NORTHWESTERN PAYETTE COUNTY...WASHINGTON COUNTY IN SOUTHEAST OREGON ...NORTHEASTERN MALHEUR COUNTY REPORT FROM ONTARIO OREGON AIRPORT OF WIND GUSTS TO 75 MPH IN A SEVERE THUNDERSTORM. ANOTHER REPORT OF 55 MPH WIND AT NYSSA/OR AT 520 PM ALONG WITH PEA SIZED HAIL.THE STORM WAS MOVING TOWARD THE NORTHEAST INTO NORTHWESTERN PAYETTE COUNTY AND SOUTHERN WASHINGTON COUNTY. PREPARE FOR SEVERE WINDS...LARGE HAIL...AND BLOWING DUST. TAKE SHELTER IMMEDIATELY!! 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 D EADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
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, Jul 22, 11:41 AM MDT, 5 hours 46 minutes before
IDZALL-222300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 1130 AM MDT WED JUL 22 1992 ...THUNDERSTORMS ARE APPROACHING WESTERN IDAHO THIS MORNING... ...THUNDERSTORMS MAY BUILD OVER SOUTHEASTERN IDAHO THIS AFTERNOON... AN APPROACHING UPPER LEVEL LOW PRESSURE WEATHER SYSTEM HAS HELPED SET OFF SOME THUNDERSTORMS ACROSS EASTERN WASHINGTON AND EASTERN OREGON THIS MORNING. OUR WEATHER MAPS AND CHARTS LATE THIS MORNING INDICATE THAT MANY OF THESE THUNDERSTORMS ARE LIKELY TO MOVE INTO WESTERN IDAHO THIS AFTERNOON. SOME OF THE THUNDERSTORMS MAY BECOME VERY STRONG AND GIVE LOCAL AREAS OF BRIEF HEAVY RAIN AND HAIL WITH GUSTY WINDS TO 50 MPH. ANY THUNDERSTORM THAT BUILD OVER SOUTHEASTERN IDAHO THIS AFTERNOON ARE MORE LIKELY VERY WINDY WITH AREAS OF BLOWING DUST THAN THEY ARE LIKELY TO GIVE HEAVY RAIN OR HAIL. NO SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN IDAHO YET TODAY. HOWEVER... WEATHER CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO DEVELOPMENT THIS AFTERNOON. THUS, PERSONS IN IDAHO, EASTERN WASHINGTON AND EASTERN OREGON WITH OUTDOOR INTERESTS SHOULD BE READY TO SEEK SHELTER IF THUNDERSTORMS AND ASSOCIATED THREATENING WEATHER APPROACHES. THEY SOULD ALSO LISTEN TO THEIR WEATHER RADIO OR OTHER FAVORITE WEATHER NEWS SOURCE FOR UPDATED INFORMATION ABOUT THIS DEVELOPING WEATHER SITUATION ... AND BE PREPARED TO TAKE ANY NEED ACTION IF A SEVERE THUNDERSTORM WATCH OR WARNING IS ISSUED. END...WSFO BOISE.../MRB/
Special weather statement, Jul 22, 11:44 AM MDT, 5 hours 43 minutes before
IDZALL-222300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 1130 AM MDT WED JUL 22 1992 ...THUNDERSTORMS ARE APPROACHING WESTERN IDAHO THIS MORNING... ...THUNDERSTORMS MAY BUILD OVER SOUTHEASTERN IDAHO THIS AFTERNOON... AN APPROACHING UPPER LEVEL LOW PRESSURE WEATHER SYSTEM HAS HELPED SET OFF SOME THUNDERSTORMS ACROSS EASTERN WASHINGTON AND EASTERN OREGON THIS MORNING. OUR WEATHER MAPS AND CHARTS LATE THIS MORNING INDICATE THAT MANY OF THESE THUNDERSTORMS ARE LIKELY TO MOVE INTO WESTERN IDAHO THIS AFTERNOON. SOME OF THE THUNDERSTORMS MAY BECOME VERY STRONG AND GIVE LOCAL AREAS OF BRIEF HEAVY RAIN AND HAIL WITH GUSTY WINDS TO 50 MPH. ANY THUNDERSTORM THAT BUILD OVER SOUTHEASTERN IDAHO THIS AFTERNOON ARE MORE LIKELY TO BE VERY WINDY WITH AREAS OF BLOWING DUST THAN THEY ARE LIKELY TO GIVE HEAVY RAIN OR HAIL. NO SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN IDAHO YET TODAY. HOWEVER... WEATHER CONDITIONS ARE FAVORABLE FOR THUNDERSTORMS TO DEVELOPMENT THIS AFTERNOON. THUS, PERSONS IN IDAHO, EASTERN WASHINGTON AND EASTERN OREGON WITH OUTDOOR INTERESTS SHOULD BE READY TO SEEK SHELTER IF THUNDERSTORMS AND ASSOCIATED THREATENING WEATHER APPROACHES. THEY SOULD ALSO LISTEN TO THEIR WEATHER RADIO OR OTHER FAVORITE WEATHER NEWS SOURCE FOR UPDATED INFORMATION ABOUT THIS DEVELOPING WEATHER SITUATION ... AND BE PREPARED TO TAKE ANY NEED ACTION IF A SEVERE THUNDERSTORM WATCH OR WARNING IS ISSUED. END...WSFO BOISE.../MRB/
Special weather statement, Jul 22, 3:50 PM MDT, 1 hour 37 minutes before
IDZALL-230100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 345 PM MDT WED JUL 22 1992 ...THUNDERSTORMS OVER SOUTHWEST AND CENTRAL IDAHO... SATELLITE PICTURES AND LIGHTNING DETECTION EQUIPMENT SHOW A LINE OF THUNDERSTORMS FROM NEAR GRANGEVILLE TO TWIN FALLS BUILDING RAPIDLY AT 3:40 PM MDT. THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AROUND 20 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...HAIL AND STRONG GUSTY WINDS. THUNDERSTORMS WILL ALSO DEVELOP OVER OTHER PARTS OF THE STATE THIS AFTERNOON AND EVENING AS A MOIST AND UNSTABLE AIRMASS MOVES INTO IDAHO FROM THE WEST. SOME OF THESE THUNDERSTORMS COULD PRODUCE HEAVY RAIN AND HAIL ALONG WITH STRONG GUSTY WINDS. < THUS PERSONS IN IDAHO SHOULD BE READY TO SEEK SHELTER IF THUNDERSTORMS AND ASSOCIATED THREATENING WEATHER APPROACHES. THEY SOULD ALSO LISTEN TO THEIR WEATHER RADIO OR OTHER FAVORITE WEATHER NEWS SOURCE FOR UPDATED INFORMATION ABOUT FTHIS DEVELOPING WEATHER SITUATION ... AND BE PREPARED TO TAKE ANY NEED ACTION IF A SEVERE THUNDERSTORM WATCH OR WARNING IS ISSUED. END...WSFO BOISE... COLLINS
The office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 4:54 PM MDT | Severe Thunderstorm Warning | BOI | Malheur | 66 min |
| Jul 22, 5:27 PM MDT | Severe Thunderstorm Warning | BOI | Washington | 63 min |
| Jul 22, 5:45 PM MDT | Tornado Warning | BOI | Blaine | 30 min |
Nearby
Severe Thunderstorm Warnings in Oregon, 1992Severe Thunderstorm Warnings in Idaho, 1992Every severe thunderstorm warning in 1992
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.