Alert archive / Oregon / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 10, NWS Medford, OR
NWS Medford, OR issued this severe thunderstorm warning at Sep 15, 2001, 5:24 PM PDT for Josephine County, Oregon. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 15, 2001, 5:24 PM PDT (00:24 UTC)
- Expired
- Sep 15, 2001, 6:10 PM PDT
- In force
- 46 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, 0.4 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.
- Mixed-layer CAPE
- 84 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 2679 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
973 WUUS56 KMFR 160025 SVRMFR ORC033-160110- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEDFORD OR 524 PM PDT SAT SEP 15 2001 THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN AND SOUTHEASTERN JOSEPHINE COUNTY IN SOUTHWESTERN OREGON * UNTIL 610 PM PDT * AT 522 PM PDT... MEDFORD DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES EAST OF SELMA OR 4 MILES NORTHWEST OF BROWNS MILL... MOVING SOUTH AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BROWNS MILL AT 549 PM PDT WILLIAMS AT 550 PM PDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS FB
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 Medford, OR wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 15, 2:30 PM PDT, 2 hours 54 minutes earlier.
Area forecast discussion, Sep 15, 2:30 PM PDT, 2 hours 54 minutes before
SOUTHWEST OREGON/NORTHERN CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEDFORD OR 230 PM PDT SAT SEP 15 2001 SUBSIDENCE IS BEGINNING TO TAKE OVER BEHIND THE UPPER LOW THAT MOVED ACROSS OUR AREA THIS MORNING. THE AIR MASS IS STILL MOIST LOW LEVEL SO THIS EVENING THERE MAY BE SOME REDEVELOPMENT TAKING PLACE. CONVECTIVE POTENTIAL TEMPERATURES ARE LOW ENOUGH THAT LATE DAY HEATING WILL AID DEVELOPMENT. ANY ACTIVITY WILL BE SHORT-LIVED AND ISOLATED THOUGH. NEXT TROUGH OFFSHORE TO WEAKEN AND CROSS OUR AREA SUNDAY. DYNAMICS WITH THIS TROUGH ARE VERY WEAK SO I WOULD NOT EXPECT A REPEAT OF TODAYS EARLY MORNING CONVECTION. IN FACT STABILITY INDICES WOULD INDICATE THAT ACTIVITY SHOULD BE LATER SUNDAY OVER AND EAST OF THE CASCADES. HOWEVER...CANT RULE OUT EARLIER IN THE DAY ACTIVITY INLAND FROM THE COAST GIVEN THE HIGH DEWPOINT...POTENTIAL HIGH CAPE SITUATION. THEREAFTER WEAK RIDGING TAKES PLACE. MONDAY COULD STILL SEE AN ISOLATED THUNDERSTORM FAR EASTERN SECTIONS...OTHERWISE MOST OF NEXT WEEK WILL BE SEASONABLY WARM AND MOSTLY CLEAR. TOWARDS THE END OF THE WEEK TEMPS MAY COOL AS MOST GUIDANCE SHOWS AN INCREASE IN WESTERLY FLOW ACROSS SOUTHERN OREGON GETTMAN .MFR...NONE. OTH EB 050/064 050/065 051 031100 4BK EB 050/063 050/065 050 031100 RBG BB 057/081 055/083 055 031220 MFR BU 058/085 055/088 055 032220 LMT BB 044/078 043/082 043 033332 LKV BB 045/076 044/079 044 033432 MHS BU 049/077 049/081 049 033321
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; the sounding from the Mesonet's radiosonde archive.