Alert archive / Oregon / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 44, NWS Pendleton, OR

July 30, 1997Deschutes County, Oregon

NWS Pendleton, OR issued this severe thunderstorm warning at Jul 30, 1997, 3:27 PM PDT for Deschutes County, Oregon. It was in force for 63 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: Jul 30, 1997, 3:27 PM PDT (22:27 UTC)
Expired: Jul 30, 1997, 4:30 PM PDT
In force: 63 min
Issued by: NWS Pendleton, OR
Area: Whole counties

County Deschutes County, OR

What was reported inside it

Time	Report	Where	Remark
Jul 30, 3:27 PM PDT	Hail 1.25	Lava, OR	Hail from .5 to 1.25 inches was reported between Lava Lake and Ferndale. Wind gusts to 60 mph blew down numerous trees between Madras and Hermiston. Two-thirds of an inch of rain was reported in Heppner in 20 minutes. Power outage in Echo when lightning sta

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 Jul 30, 2:04 PM PDT, 1 hour 23 minutes earlier.

Area forecast discussion, Jul 30, 2:04 PM PDT, 1 hour 23 minutes before

NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
200 PM PDT WED JUL 30 1997

JUST REACHED CONVECTIVE TEMP AT KPDT.  TS FORMING IN S PORTION OF
CWFA ATTM.  WK THCKNS DIFFLUENCE EVIDENT IN 15Z MESO ETA MODEL BUT
LTL IF ANY CONVECTIVE PCPN PROGD BY MODEL.  700MB WIND ON KPDT 88D
20-25KTS WHICH IS NOT CONDUCIVE TO FF SO WILL LET PREVIOUS SPS
HANDLE SITUATION.  LOW LEVEL SHEAR HAS INCREASED SINCE MORN
DISCUSSION SO CHC FOR GR BETTER.

INSTABILITY IN MODELS CONTINUES AFT 06Z FOR E SIDE SO
NOCTURNAL TS POSSIBLE UNTIL MIDNIGHT.  THU IS DRYER ACCORDING TO
MODELS....HOWEVER MODELS HAVE UNDERESTIMATED MSTR LAST TWO
DAYS.  FLO SWLY BUT UNSTABLE AGAIN THU E SIDE SO WILL CONT TS IN
FORECAST.  AVN SHOWS WK VORT CNTR ACROSS NE ORE/SE WA FRI SO CANNOT
RULE OUT MORE CONVECTION E MTNS AGAIN FRI AFTN.  LTL CHG IN TEMPS
THRU FRI.  PDT/ALW WILL CLIMB TO ABOUT 87F TODAY AND THU SAME OR
LTL WARMER.  WILL GO ABV FWCPDT/ALW FOR THU AFTN.

EXTDD...SWLY FLO THRU MON.  MOCLR SKIES DURING PERIOD EXCEPT FOR
CHC AFTN/EVE MTN TS.  TEMPS LTL BLO SEASONAL NORMS DURING PERIOD.
SB

PDT 5221  ALW 5221  PSC 3111  YKM 2111

.KPDT...VCP21/CSR21...OPERATIONAL.h

.KPDT...NONE.

In the hours before

Local storm report, Jul 30, 11:03 AM PDT, 4 hours 24 minutes before

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The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 29, 5:45 PM PDT	Flash Flood Warning	PDT	Grant	90 min
Jul 29, 7:16 PM PDT	Flash Flood Warning	PDT	Grant, Wheeler	119 min
Jul 30, 4:18 PM PDT	Severe Thunderstorm Warning	PDT	Deschutes, Jefferson	117 min

Nearby

Severe Thunderstorm Warnings in Oregon, 1997 Every severe thunderstorm warning in 1997

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.