Alert archive / Oregon / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 1, NWS Medford, OR
NWS Medford, OR issued this severe thunderstorm warning at Jun 28, 2004, 7:47 PM PDT for Klamath County, Oregon. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 28, 2004, 7:47 PM PDT (02:47 UTC)
- Expired
- Jun 28, 2004, 8:15 PM PDT
- In force
- 28 min
- Issued by
- NWS Medford, OR
- Area
- Counties, with a storm outline in the text
County Klamath County, OR
The radar
The Medford radar (KMAX), 75 km from the middle of the area, began a volume at 02:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 00:00Z, 2.8 hours before the alert went out and 79 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
- 521 J/kg
- Mixed-layer CIN
- -188 J/kg
- Mixed-layer LCL
- 2248 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
891 WUUS56 KMFR 290247 SVRMFR ORC035-290315- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEDFORD OR 744 PM PDT MON JUN 28 2004 THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL KLAMATH COUNTY IN SOUTH CENTRAL OREGON THIS INCLUDES THE CITY OF KLAMATH FALLS * UNTIL 815 PM PDT * AT 734 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR KLAMATH FALLS...AND MOVING NORTHWEST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RURAL SOUTHERN KLAMATH COUNTY AT 800 PM PDT RURAL SOUTHWESTERN KLAMATH COUNTY AT 810 PM PDT THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. IN ADDITION TO LARGE HAIL...HEAVY RAIN AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY HAIL UP TO A HALF INCH IN DIAMETER HAS BEEN REPORTED IN KLAMATH FALLS WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY. LAT...LON 4239 12191 4227 12207 4209 12176 4221 12158 $$ 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 Jun 28, 2:55 PM PDT, 4 hours 52 minutes earlier.
Area forecast discussion, Jun 28, 2:55 PM PDT, 4 hours 52 minutes before
..CORRECTED
NATIONAL WEATHER SERVICE MEDFORD OR
255 PM PDT MON JUN 28 2004
.DISCUSSION...SCATTERED CONVECTIVE DEVELOPMENT FROM THE CASCADES AND
SISKIYOUS...AND TO THE EAST AND SOUTH. STORMS ARE DRIFTING SLOWLY TO
THE NE AND THUS HAVE INCLUDED SLIGHT CHANCE OF TS IN JACKSON
COUNTY...BUT MAINLY IN THE SOUTHERN AND EASTERN PORTIONS OF THE
COUNTY.PATTERN CONTINUES OVER THE REGION WITH TROUGH IN THE EASTERN
PAC. THIS PATTERN CONTINUES TO FEED MOISTURE INTO THE AREA THROUGH
THE REMAINDER OF THE WEEK. TOMORROW AXIS OF MOISTURE FLOW...THETA E
RIDGE AND LOW LIS EXTEND FARTHER WEST WITH THE MESO ETA SHOWING AN
AREA OF THETA E CONVERGENCE OVER THE MOUNTAINS BETWEEN MEDFORD AND
GRANTS PASS. THIS HAS BEEN AN INDICATOR IN THE PAST OF
THUNDERSTORMS CARRYING OVER THIS AREA...ESPECIALLY IN THE SOUTHERLY
H7 FLOW THAT WILL BE PRESENT TOMORROW AND HAVE MOVED THE AREA OF TS
FARTHER WEST IN RESPONSE. GFS IS CONTINUING TO PRODUCE SPURIOUS
CONVECTIVE FEEDBACK STRONG VORTS ON THE 18Z RUN THAT WERE NOT
PRESENT ON THE 12Z RUN. TONIGHT IT DEVELOPS A VORT THAT COMES INTO
SW OREGON TOMORROW MORNING AND AGAIN ON THURSDAY DEVELOPING A
STRONG VORT WITH CLOSED H7 LOW UP THE EAST SIDE THURSDAY NIGHT. BOTH
EVENTS ARE ACCOMPANIED BY VERY HIGH QPF BULLSEYES. THIS SEEMS TO BE
A PROBLEM LATELY WITH THE GFS IN THIS UNUSUAL SPRING-LIKE PATTERN FOR
ALMOST BEING THE BEGINNING OF JULY.
IN THE EXTENDED...MODELS ARE LEANING TOWARDS A LONGWAVE TROUGH
PATTERN FROM THE WEEKEND INTO THE BEGINNING OF NEXT WEEK...WITH
ONSHORE FLOW STABILIZING THE REGION WITH COOLER TEMPERATURES.
&&
.MFR WATCHES/WARNINGS/ADVISORIES...
OR...SMALL CRAFT ADVISORY FROM FLORENCE TO CAPE BLANCO.
GALE WARNING CAPE BLANCO TO THE OR/CA BORDER.
CA...GALE WARNING FROM THE OR/CA BORDER TO PT ST GEORGE.
&&
SVENHazardous weather outlook, Jun 28, 7:30 AM PDT, 12 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEDFORD OR 730 AM PDT MON JUN 28 2004 CAZ080>085-ORZ021>031-PZZ350-353-370-373-291430- CAPE ARAGO TO FLORENCE, OR 20 TO 60 NM- CAPE ARAGO TO FLORENCE, OR WESTWARD 20 NM- CAPE BLANCO TO CAPE ARAGO, OR 20 TO 60 NM- CAPE BLANCO TO CAPE ARAGO, OR WESTWARD 20 NM- CENTRAL AND EASTERN LAKE COUNTY-CENTRAL DOUGLAS COUNTY- CENTRAL SISKIYOU COUNTY-CURRY COUNTY COAST- EASTERN CURRY COUNTY AND JOSEPHINE COUNTY- EASTERN DOUGLAS COUNTY FOOTHILLS-JACKSON COUNTY-KLAMATH BASIN- MODOC COUNTY-NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY- NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES- SOUTH CENTRAL OREGON CASCADES-SOUTH CENTRAL OREGON COAST- SOUTH CENTRAL SISKIYOU COUNTY-WESTERN SISKIYOU COUNTY- 730 AM PDT MON JUN 28 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. PZZ356-376-291430- PT. ST. GEORGE, CA TO CAPE BLANCO, OR 20 TO 60 NM- PT. ST. GEORGE, CA TO CAPE BLANCO, OR WESTWARD 20 NM- 730 AM PDT MON JUN 28 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN CALIFORNIA .DAY ONE...TODAY GALE WARNING IS IN EFFECT THROUGH TONIGHT. SEE PDXCWFMFR FOR FURTHER INFORMATION. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. GERIG
Nearby
Severe Thunderstorm Warnings in Oregon, 2004Every severe thunderstorm warning in 2004
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; radar from the NEXRAD Level II archive.