Alert archive / Oregon / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 4, NWS Medford, OR

July 21, 1995Josephine County, Oregon

NWS Medford, OR issued this severe thunderstorm warning at Jul 21, 1995, 7:24 PM PDT for Josephine County, Oregon. It was in force for 36 min.

The area

The counties it named.

The facts

Issued: Jul 21, 1995, 7:24 PM PDT (02:24 UTC)
Expired: Jul 21, 1995, 8:00 PM PDT
In force: 36 min
Issued by: NWS Medford, OR
Area: Whole counties

County Josephine County, OR

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 2.4 hours before the alert went out and 62 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1241 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 2242 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMFR 220228 RRA
SVRMFR
ORC033-220300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
724 PM PDT FRI JUL 21 1995
 
THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHWEST OREGON
 
   ...SOUTHEASTERN JOSEPHINE COUNTY
 
AT 720 PM RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTH OF WILLIAMS
OREGON. THE THUNDERSTORM WAS STATIONARY. IT WILL LIKELY IMPACT THE AREA
NEAR WILLIAMS AND THE OREGON CAVES NATIONAL MONUMENT IN THE NEXT FEW
MINUTES. LARGE HAIL HAS BEEN REPORTED WITH THESE THUNDERSTORMS ALONG
WITH GUSTY WINDS AND VERY HEAVY RAIN. SOME LOCAL FLOODING IS EXPECTED.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
GETTMAN
WSO MEDFORD

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

Local storm report, Jul 21, 4:50 PM PDT, 2 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
450 PM PDT FRI JUL 21 1995

TIME (PDT)        CITY LOCATION        EVENT/REMARKS
                  COUNTY/SPOTTER

430 PM            MT SEXTON            3/4 INCH HAIL

END
CRAWFORD

Local storm report, Jul 21, 4:52 PM PDT, 2 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
450 PM PDT FRI JUL 21 1995

TIME (PDT)        CITY LOCATION        EVENT/REMARKS
                  COUNTY/SPOTTER

430 PM            MT SEXTON            3/4 INCH HAIL

END
CRAWFORD

Local storm report, Jul 21, 5:58 PM PDT, 1 hour 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
600 PM PDT FRI JUL 21 1995

TIME (PDT)        CITY LOCATION        EVENT/REMARKS
                  COUNTY/SPOTTER

545 PM            WIMER                HEAVY RAIN...1/4 INCH HAIL
                                       STORM HAS NOW ENDED

555 PM            SAMS VALLEY          .75 INCH OF RAIN IN 30
                                       MINUTES...STORM NOW OVER

END
CRAWFORD

Local storm report, Jul 21, 6:00 PM PDT, 1 hour 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
600 PM PDT FRI JUL 21 1995

TIME (PDT)        CITY LOCATION        EVENT/REMARKS
                  COUNTY/SPOTTER

545 PM            WIMER                HEAVY RAIN...1/4 INCH HAIL
                                       STORM HAS NOW ENDED

555 PM            SAMS VALLEY          .75 INCH OF RAIN IN 30
                                       MINUTES...STORM NOW OVER

END
CRAWFORD

Local storm report, Jul 21, 6:25 PM PDT, 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
625 PM PDT FRI JUL 21 1995

TIME (PDT)        CITY LOCATION        EVENT/REMARKS
                  COUNTY/SPOTTER

615 PM            MEDFORD              HEAVY RAIN...1 INCH HAIL
                                       MEASURED WITH RULER

617 PM            MEDFORD              1/2 TO 1 INCH HAIL

618 PM            MEDFORD              1 TO 11/2 INCH HAIL

619 PM            MEDFORD              1/2 TO 1 INCH HAIL
                  KTVL-TV
END
GETTMAN

Local storm report, Jul 21, 6:26 PM PDT, 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
625 PM PDT FRI JUL 21 1995

TIME (PDT)        CITY LOCATION        EVENT/REMARKS
                  COUNTY/SPOTTER

615 PM            MEDFORD              HEAVY RAIN...1 INCH HAIL
                                       MEASURED WITH RULER

617 PM            MEDFORD              1/2 TO 1 INCH HAIL

618 PM            MEDFORD              1 TO 11/2 INCH HAIL

619 PM            MEDF*ORD              1/2 TO 1 INCH HAIL
                  KTVL-TV
END
GETTMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 6:15 PM PDT	Severe Thunderstorm Warning	MFR	Jackson	30 min

Nearby

Severe Thunderstorm Warnings in Oregon, 1995 Every 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.