Alert archive / California / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 1, NWS Eureka, CA
NWS Eureka, CA issued this severe thunderstorm warning at Jan 19, 2016, 9:33 AM PST for Del Norte County, California. It was in force for 42 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
- Jan 19, 2016, 9:33 AM PST (17:33 UTC)
- Expired
- Jan 19, 2016, 10:15 AM PST
- In force
- 42 min
- Issued by
- NWS Eureka, CA
- Area
- Storm-based polygon
County Del Norte County, CA
The radar
The Medford radar (KMAX), 119 km from the middle of the area, began a volume at 17:35 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, 5.6 hours before the alert went out and 124 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
- 1114 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
420
WUUS56 KEKA 191733
SVREKA
CAC015-191815-
/O.NEW.KEKA.SV.W.0001.160119T1733Z-160119T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EUREKA
933 AM PST TUE JAN 19 2016
THE NATIONAL WEATHER SERVICE IN EUREKA CALIFORNIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN DEL NORTE COUNTY IN NORTHWESTERN CALIFORNIA...
* UNTIL 1015 AM PST
* AT 931 AM PST...DOPPLER RADAR INDICATED A LINE OF HEAVY SHOWERS
AND EMBEDDED THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM NEAR HARBOR TO 27 MILES SOUTHWEST OF CRESCENT CITY...AND
MOVING NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
CRESCENT CITY...JEDEDIAH SMITH STATE PARK...SMITH RIVER...
OCEANVIEW AND FT DICK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4199 12385 4194 12389 4172 12411 4171 12414
4174 12417 4174 12418 4175 12419 4174 12420
4178 12426 4184 12422 4193 12420 4194 12420
4195 12421 4200 12421
TIME...MOT...LOC 1731Z 239DEG 37KT 4197 12424 4160 12471
$$
CARROLL1 follow-up statement
461
WWUS56 KEKA 191814
SVSEKA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EUREKA
1014 AM PST TUE JAN 19 2016
CAC015-191823-
/O.EXP.KEKA.SV.W.0001.000000T0000Z-160119T1815Z/
DEL NORTE CA-
1014 AM PST TUE JAN 19 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DEL NORTE COUNTY
WILL EXPIRE AT 1015 AM PST...
THE SHOWERS AND STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED
BELOW SEVERE LIMITS AND EXITED THE WARNED AREA. THEREFORE THE
WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 4199 12385 4194 12389 4172 12411 4171 12414
4174 12417 4174 12418 4175 12419 4174 12420
4178 12426 4184 12422 4193 12420 4194 12420
4195 12421 4200 12421
TIME...MOT...LOC 1812Z 239DEG 37KT 4197 12424 4160 12471
$$
CARROLLThe office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 19, 3:42 AM PST | Wind Advisory | EKA | 9 hr | |
| Jan 19, 7:52 AM PST | Coastal Flood Advisory | EKA | 3 hr | |
| Jan 19, 9:01 AM PST | Special Marine Warning | EKA | 89 min | |
| Jan 19, 9:05 AM PST | Special Weather Statement | EKA | Del Norte | 55 min |
| Jan 19, 10:06 AM PST | Special Weather Statement | EKA | Del Norte | 24 min |
| Jan 19, 10:59 AM PST | Small Craft Advisory | EKA | 61 hr | |
| Jan 19, 2:22 PM PST | Gale Watch | EKA | 13 hr |
Nearby
Severe Thunderstorm Warnings in California, 2016Every severe thunderstorm warning in 2016
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.