Alert archive / Oregon / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 5, NWS Pendleton, OR
NWS Pendleton, OR issued this severe thunderstorm warning at May 24, 2001, 6:51 PM PDT for Wallowa County, Oregon. It was in force for 39 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 24, 2001, 6:51 PM PDT (01:51 UTC)
- Expired
- May 24, 2001, 7:30 PM PDT
- In force
- 39 min
- Issued by
- NWS Pendleton, OR
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Wallowa County, OR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 24, 7:01 PM PDT | Thunderstorm Wind 61 E | Imnaha, OR | Winds from a severe thunderstorm estimated at 70 mph felled several trees just north of Imnaha. Several other locations near town also lost trees and large branches. An estimated 0.8 inches of rain fell in 30 minutes just north of Imnaha. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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.
NWS Pendleton, OR wrote its last area forecast discussion before this severe thunderstorm warning went out at May 24, 2:30 PM PDT, 4 hours 21 minutes earlier.
Area forecast discussion, May 24, 2:30 PM PDT, 4 hours 21 minutes before
NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OR 230 PM PDT THU MAY 24 2001 LIFTED INDICES ON THE GOES SOUNDER AT 1900Z WERE 0 TO -5 OVER THE EASTERN THIRD OF OREGON AND 0 TO 5 ELSEWHERE OVER THE FORECAST AREA. CU HAS BEEN DEVELOPING OVER CENTRAL OREGON...THE BLUES...AND THE WALLOWAS...BUT THE CLOUDS ARE SHEARING OFF IN THE EAST WHERE THE GOES DATA INDICATES THE MOST INSTABILITY. MESOETA MODEL FORECAST SOUNDINGS SHOW CAPE VALUES THIS AFTERNOON RANGING FROM 600 40 MILES SOUTH OF RDM TO 2200 J/KG OVER THE WALLOWAS...INDICATING THE POTENTIAL FOR DESTABILIZATION IN THE ATMOSPHERE THIS EVENING. A FEW LIGHTNING STRIKES HAVE OCCURRED OVER THE SE CORNER OF OREGON. THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE BLUES AND WALLOWAS. THE BIGGEST THREAT WILL BE HAIL AND GUSTY WINDS. SOME STORMS MAY ALSO OCCUR OVER CENTRAL OREGON...THE FOOTHILLS OF THE BLUES...AND OVER THE EASTERN PART OF THE COLUMBIA BASIN. AT 1 PM TEMPERATURES WERE 1 TO 11 DEGREES COOLER THAN YESTERDAY. THIS INDICATES COOLER AIR IS BEGINNING TO MOVE INTO THE COLUMBIA BASIN. TEMPERATURES AT 850 ARE FORECAST TO BE SIMILAR TOMORROW BUT THICKNESS DECREASE 40 TO 100 METERS. THIS INDICATES THE COOLING TREND WILL CONTINUE FOR OVERNIGHT LOWS ABOUT 5 DEGREES COOLER THAN TODAY. A FEW SHOWERS WILL OCCUR FRIDAY IN THE LINGERING MOISTURE AND INSTABILITY ENHANCED BY DAY TIME HEATING OVER THE MOUNTAINS. HOWEVER A MUCH BETTER CHANCE FOR PRECIPITATION WILL BE SATURDAY WHEN AN UPPER LEVEL DISTURBANCE MOVES THROUGH. SHOWERS AND POSSIBLY THUNDERSTORMS WILL DEVELOP OVER THE LOWER COLUMBIA BASIN AND ALL OF THE OREGON FORECAST AREA. COONFIELD IN THE EXTENDED...MODELS ALL COMING INTO LINE INDICATING A DECENT UPPER LEVEL WAVE AND SURFACE COLD FRONT TO MOVE ACROSS THE AREA SUNDAY. THIS FRONT SHOULD BE ABLE TO TAP RESIDUAL MOISTURE LEFT OVER FROM SATURDAYS CONVECTION FOR A CONTINUED CHANCE OF SHOWERS MOST AREAS. MAY ALSO BE ENOUGH LINGERING INSTABILITY FOR A FEW THUNDERSTORMS IN THE FAR EAST. UPSLOPE WESTERLY FLOW MONDAY MAY KEEP SOME SHOWERS GOING OVER THE EAST SIDE OF THE CWFA...OTHERWISE EXPECT DRY CONDITIONS. BEYOND MONDAY...MODELS INDICATE A DIRTY... FLAT RIDGE OVER THE AREA FOR DRY AND MORE SEASONAL CONDITIONS. GKH PDT 220 ALW 220 PSC 110 YKM 000 .KPDT...WSR-88D...VCP21/CSR21...OPERATIONAL. .KPDT...NONE. @ RUKWBCe6KDENFXUS66 KPDT 242153 AFDPDT NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION NATIONAL WEATHER SERVICE PENDLETON OR 230 PM PDT THU MAY 24 2001 LIFTED INDICES ON THE GOES SOUNDER AT 1900Z WERE 0 TO -5 OVER THE EASTERN THIRD OF OREGON AND 0 TO 5 ELSEWHERE OVER THE FORECAST AREA. CU HAS BEEN DEVELOPING OVER CENTRAL OREGON...THE BLUES...AND THE WALLOWAS...BUT THE CLOUDS ARE SHEARING OFF IN THE EAST WHERE THE GOES DATA INDICATES THE MOST INSTABILITY. MESOETA MODEL FORECAST SOUNDINGS SHOW CAPE VALUES THIS AFTERNOON RANGING FROM 600 40 MILES SOUTH OF RDM TO 2200 J/KG OVER THE WALLOWAS...INDICATING THE POTENTIAL FOR DESTABILIZATION IN THE ATMOSPHERE THIS EVENING. A FEW LIGHTNING STRIKES HAVE OCCURRED OVER THE SE CORNER OF OREGON. THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE BLUES AND WALLOWAS. THE BIGGEST THREAT WILL BE HAIL AND GUSTY WINDS. SOME STORMS MAY ALSO OCCUR OVER CENTRAL OREGON...THE FOOTHILLS OF THE BLUES...AND OVER THE EASTERN PART OF THE COLUMBIA BASIN. AT 1 PM TEMPERATURES WERE 1 TO 11 DEGREES COOLER THAN YESTERDAY. THIS INDICATES COOLER AIR IS BEGINNING TO MOVE INTO THE COLUMBIA BASIN. TEMPERATURES AT 850 ARE FORECAST TO BE SIMILAR TOMORROW BUT THICKNESS DECREASE 40 TO 100 METERS. THIS INDICATES THE COOLING TREND WILL CONTINUE FOR OVERNIGHT LOWS ABOUT 5 DEGREES COOLER THAN TODAY. A FEW SHOWERS WILL OCCUR FRIDAY IN THE LINGERING MOISTURE AND INSTABILITY ENHANCED BY DAY TIME HEATING OVER THE MOUNTAINS. HOWEVER A MUCH BETTER CHANCE FOR PRECIPITATION WILL BE SATURDAY WHEN AN UPPER LEVEL DISTURBANCE MOVES THROUGH. SHOWERS AND POSSIBLY THUNDERSTORMS WILL DEVELOP OVER THE LOWER COLUMBIA BASIN AND ALL OF THE OREGON FORECAST AREA. COONFIELD IN THE EXTENDED...MODELS ALL COMING INTO LINE INDICATING A DECENT UPPER LEVEL WAVE AND SURFACE COLD FRONT TO MOVE ACROSS THE AREA SUNDAY. THIS FRONT SHOULD BE ABLE TO TAP RESIDUAL MOISTURE LEFT OVER FROM SATURDAYS CONVECTION FOR A CONTINUED CHANCE OF SHOWERS MOST AREAS. MAY ALSO BE ENOUGH LINGERING INSTABILITY FOR A FEW THUNDERSTORMS IN THE FAR EAST. UPSLOPE WESTERLY FLOW MONDAY MAY KEEP SOME SHOWERS GOING OVER THE EAST SIDE OF THE CWFA...OTHERWISE EXPECT DRY CONDITIONS. BEYOND MONDAY...MODELS INDICATE A DIRTY... FLAT RIDGE OVER THE AREA FOR DRY AND MORE SEASONAL CONDITIONS. GKH PDT 2213 ALW 2213 PSC 1002 YKM 0000 .KPDT...WSR-88D...VCP21/CSR21...OPERATIONAL. .KPDT...NONE.
Nearby
Severe Thunderstorm Warnings in Oregon, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.