Alert archive / California / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 5, NWS Eureka, CA
NWS Eureka, CA issued this severe thunderstorm warning at Jul 26, 2013, 7:19 PM PDT for Trinity County, California. It was in force for 26 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
- Jul 26, 2013, 7:19 PM PDT (02:19 UTC)
- Expired
- Jul 26, 2013, 7:45 PM PDT
- In force
- 26 min
- Issued by
- NWS Eureka, CA
- Area
- Storm-based polygon
County Trinity County, CA
The radar
The Medford radar (KMAX), 116 km from the middle of the area, began a volume at 02:20 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 00:00Z, 2.3 hours before the alert went out and 148 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
- 381 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 3366 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
616 WUUS56 KEKA 270219 SVREKA CAC105-270245- /O.NEW.KEKA.SV.W.0005.130727T0219Z-130727T0245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EUREKA CA 719 PM PDT FRI JUL 26 2013 THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN TRINITY COUNTY IN NORTHWEST CALIFORNIA... * UNTIL 745 PM PDT * AT 710 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR CARRVILLE...OR 25 MILES NORTHEAST OF WEAVERVILLE...AND MOVING NORTHEAST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CARRVILLE BY 730 PM PDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR LARGE 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 AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 4106 12257 4096 12272 4101 12280 4111 12267 TIME...MOT...LOC 0217Z 211DEG 3KT 4104 12269 $$ JT
1 follow-up statement
964 WWUS56 KEKA 270243 SVSEKA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EUREKA CA 743 PM PDT FRI JUL 26 2013 CAC105-270250- /O.EXP.KEKA.SV.W.0005.000000T0000Z-130727T0245Z/ TRINITY CA- 743 PM PDT FRI JUL 26 2013 ...THE SEVERE THUNDERSTORM IS CANCELLED FOR NORTHEASTERN TRINITY COUNTY... A STRONG STORM CONTINUES TO PRODUCE ABUNDANT LIGHTNING AND 1/2 TO 3/4 INCH HAIL AROUND THE CARVILLE AREA. THIS STORM SHOULD DIMINISH DURING THE NEXT HOUR. LAT...LON 4106 12257 4096 12272 4101 12280 4111 12267 TIME...MOT...LOC 0240Z 211DEG 3KT 4106 12268 $$ TONKIN
Nearby
Severe Thunderstorm Warnings in California, 2013Every severe thunderstorm warning in 2013
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.