Alert archive / Oregon / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 3, NWS Medford, OR
NWS Medford, OR issued this severe thunderstorm warning at Sep 3, 1992, 5:18 PM PDT for Jackson County, Oregon. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Sep 3, 1992, 5:18 PM PDT (00:18 UTC)
- Expired
- Sep 3, 1992, 6:15 PM PDT
- In force
- 57 min
- Issued by
- NWS Medford, OR
- Area
- Whole counties
County Jackson County, OR
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 00:00Z, 0.3 hours before the alert went out and 9 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
- 509 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1089 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 72 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 KMFR 040019 SVRMFR ORC029-040115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEDFORD OR 518 PM PDT THU SEP 3 1992 THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM PDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHWEST OREGON ...SOUTHERN JACKSON COUNTY WEATHER SPOTTERS HAVE REPORTED A SEVERE THUNDERSTORM OVER WESTERN CENTRAL POINT IN JACKSON COUNTY. 3/4 INCH TO 1 INCH DIAMETER HAIL WAS OBSERVED AT WESTERN OUTSKIRTS OF CENTRAL POINT. AN UNOFFICIAL REPORT OF WALNUT SIZED HAIL WAS ALSO REPORTED NEAR GOLD HILL. THIS THUNDERSTORM IS MOVING TOWARD THE SOUTHEAST AT ABOUT 10 MPH. SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 55 MPH...HAIL... AND LIGHTNING. IF THREATENING WEATHER APPROACHES TAKE SHELTER INSIDE A HOME OR LARGE BUILDING. WHEN LIGHTNING IS NEAR AVOID USING THE PHONE, EXCEPT FOR EMERGENCIES. IF OUTSIDE DO NOT STAND BENEATH A NATURAL LIGHTNING ROD SUCH AS A TALL ISOLATED TREE. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERST|ORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. WILLSON 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
Special weather statement, Sep 3, 2:55 PM PDT, 2 hours 23 minutes before
ORZ003-005-009-013- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEDFORD OREGON 235 PM PDT THU SEP 3 1992 ...THUNDERSTORMS CONTINUE OVER SOUTHERN OREGON THIS AFTERNOON... AN UPPER LEVEL LOW PRESSURE SYSTEM OFF THE NORTHERN CALIFORNIA COAST CONTINUES TO PRODUCE NUMEROUS THUNDERSTORMS THIS AFTERNOON. AT 210 PM THIS AFTERNOON THE WEATHER SERVICE OFFICE AT MEDFORD RECEIVED REPORTS FROM THE PARK SERVICE AT CRATER LAKE NATIONAL PARK THAT A THUNDERSTORM HAD PRODUCED ONE-HALF INCH DIAMETER HAIL NEAR THE NORTH PARK ENTRANCE. AT 220 PM A REPORT WAS RECEIVED FROM AN OBSERVER NEAR CRESENT LAKE ALONG OREGON HIGHWAY 97 OF HEAVY RAIN AND FREQUENT LIGHTNING. THE THUNDERSTORMS THROUGHOUT SOUTHERN OREGON THIS AFTERNOON ARE MOVING TOWARDS THE WEST AT 5 TO 10 MPH. THUNDERSTORM ACTIVITY IS OCCURRING OVER T THE COASTAL RANGES AND SOME ISOLATED THUNDERSTORMS ARE SHOWING UP OFF THE COAST SO BOATERS SHOULD STAY ALERT. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A BUILDING OR CAR. AVOIDING LOW LYING AREAS...ALSO AVOID NATURAL LIGHTNING RODS SUCH AS TALL TREES OR OTHER ISOLATED OBJECTS. REMEMBER...THUNDERSTORMS MAY PRODUCE STRONG WINDS...SMALL HAIL...FREQUENT LIGHTNING AN8D BRIEF HEAVY RAIN. STAY ABREAST OF THE LATEST WEATHER INFORMATION BY MONITORING NOAA WEATHER RADIO. PRITCHETT WSO MEDFORD
Special weather statement, Sep 3, 4:00 PM PDT, 1 hour 18 minutes before
ORZ003-005-009-013- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEDFORD OREGON 400 PM PDT THU SEP 3 1992 ...THUNDERSTORMS WITH HAIL OVER SOUTHERN OREGON THIS AFTERNOON... AN UPPER LEVEL LOW PRESSURE SYSTEM OFF THE NORTHERN CALIFORNIA COAST CONTINUES TO PRODUCE NUMEROUS THUNDERSTORMS THIS AFTERNOON. AT 349 PM THIS AFTERNOON THE WEATHER SERVICE OFFICE AT MEDFORD RECEIVED A REPORT FROM A SPOTTER NEAR SAMS VALLEY THAT A THUNDERSTORM HAD PRODUCED ONE-HALF INCH DIAMETER HAIL. AT 344 PM A SPOTTER NEAR EAGLE POINT REPORTED ONE-QUARTER INCH DIAMETER HAIL. THE THUNDERSTORMS THROUGHOUT SOUTHERN OREGON THIS AFTERNOON ARE MOVING TOWARDS THE SOUTHEAST AT 10 MPH. THUNDERSTORM ACTIVITY IS OCCURRING OVER THE COASTAL RANGES AND SOME ISOLATED THUNDERSTORMS ARE SHOWING UP OFF THE COAST SO BOATERS SHOULD STAY ALERT. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A BUILDING OR CAR. AVOIDING LOW LYING AREAS...ALSO AVOID NATURAL LIGHTNING RODS SUCH AS TALL TREES OR OTHER ISOLATED OBJECTS. REMEMBER...THUNDERSTORMS MAY PRODUCE STRONG WINDS...SMALL HAIL...FREQUENT LIGHTNING AND BRIEF HEAVY RAIN. STAY ABREAST OF THE LATEST WEATHER INFORMATION BY MONITORING NOAA WEATHE:R RADIO. KALENIAN WSO MEDFORD
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 5:27 PM PDT | Severe Thunderstorm Warning | MFR | Lake | 48 min |
Nearby
Severe Thunderstorm Warnings in Oregon, 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.