Alert archive / Oregon / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 14, NWS Medford, OR
NWS Medford, OR issued this severe thunderstorm warning at Jul 28, 1997, 4:46 PM PDT for Klamath County, Oregon. It was in force for 44 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
- Jul 28, 1997, 4:46 PM PDT (23:46 UTC)
- Expired
- Jul 28, 1997, 5:30 PM PDT
- In force
- 44 min
- Issued by
- NWS Medford, OR
- Area
- Whole counties
County Klamath County, OR
The radar
The Medford radar (KMAX), 110 km from the middle of the area, began a volume at 23:47 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.
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 12:00Z, 11.8 hours before the alert went out and 101 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1549 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 28 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.
NWS Medford, OR wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 2:30 PM PDT, 2 hours 16 minutes earlier.
Area forecast discussion, Jul 28, 2:30 PM PDT, 2 hours 16 minutes before
SOUTHWEST OREGON/NORTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEDFORD OR 230 PM PDT MON JUL 28 1997 CONVECTN HAS BEGUN AND AS XPCTD IT LOOKS TO BE AN ACTV EVNG. THUS FAR STORMS SEEM TO BE MOVG VRY SLWLY NWD. WV LOOP SHOWS MOISTURE WORKG ITS WAY NWWD OUT OF NWRN NV. DEWPTS UP IN THE 50S AND SFC TEMPS RUNNG AT LEAST AS WRM AS YDY. TMRW WL BE SIMILR WITHOUT THE CHC FOR WRN OREGON TO GET ANY WX AS WNDS ALFT TURN MORE SWLY. WITH SWLY WNDS BEST MSTR WL ADVECT E BY WED SO STORMS WL DECREASE IN NUMBER/INTENSITY WITH BEST ACTN IN XTRM ERN PART OF CWA. .MFR...NONE .KMAX...VCP 21...OPERATING. ...SEE PDXCCFPDX FOR CODED CITIES FORECAST MFR BU 057/090 057/088 XXX 1720-X LMT TB 051/083 050/082 XXX 17433X RBG UU 057/082 056/081 XXX 17100X 4BK BB 052/067 052/068 XXX 17000X OTH BB 054/069 054/069 XXX 17000X YKA TU 053/091 052/089 XXX 17433X MHS TU 052/085 051/083 XXX 17433X S11 TU 047/086 045/084 XXX 17433X
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 6:20 PM PDT | Severe Thunderstorm Warning | MFR | Klamath | 60 min |
| Jul 27, 9:25 PM PDT | Severe Thunderstorm Warning | MFR | Klamath | 55 min |
| Jul 28, 4:31 PM PDT | Severe Thunderstorm Warning | MFR | Klamath | 59 min |
Nearby
Severe Thunderstorm Warnings in Oregon, 1997Every severe thunderstorm warning in 1997
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.