Alert archive / Oregon / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 4, NWS Medford, OR
NWS Medford, OR issued this severe thunderstorm warning at Sep 3, 1992, 5:27 PM PDT for Lake County, Oregon. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Sep 3, 1992, 5:27 PM PDT (00:27 UTC)
- Expired
- Sep 3, 1992, 6:15 PM PDT
- In force
- 48 min
- Issued by
- NWS Medford, OR
- Area
- Whole counties
County Lake County, OR
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 00:00Z, 0.5 hours before the alert went out and 203 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
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.
In the hours before
Special weather statement, Sep 3, 2:55 PM PDT, 2 hours 32 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 27 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, 5:18 PM PDT | Severe Thunderstorm Warning | MFR | Jackson | 57 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.