Alert archive / California / Special Weather Statements in 2021
Special Weather Statement, NWS Phoenix, AZ
NWS Phoenix, AZ issued this special weather statement at Oct 5, 2021, 4:49 AM PDT for Imperial County, California. It was in force for 41 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
- Oct 5, 2021, 4:49 AM PDT (11:49 UTC)
- Expired
- Oct 5, 2021, 5:30 AM PDT
- In force
- 41 min
- Issued by
- NWS Phoenix, AZ
- Hail
- 0.25 in
- Wind
- 40
County Imperial County, CA
The radar
The Yuma radar (KYUX), 110 km from the middle of the area, began a volume at 11:49 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
San Diego, CA (KNKX), launched 00:00Z, 11.8 hours before the alert went out and 147 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
- 2705 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
247
WWUS85 KPSR 051149
SPSPSR
Special Weather Statement
National Weather Service Phoenix AZ
449 AM PDT Tue Oct 5 2021
CAZ562-563-566-567-051230-
Imperial County West CA-Salton Sea CA-Imperial County Southwest CA-
Imperial Valley CA-
449 AM PDT Tue Oct 5 2021
...A strong thunderstorm will impact portions of southwestern
Imperial County through 530 AM PDT...
At 449 AM PDT, Doppler radar was tracking a strong thunderstorm 7
miles south of Plaster City, moving north at 30 mph.
HAZARD...Winds in excess of 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
El Centro, Calexico, Brawley, Imperial, Plaster City, Westmorland,
Mt. Signal, El Centro Naval Airfield, Calipatria, Alamorio, Seeley,
Heber, Dixieland and Wiest.
This includes the following highways...
CA Interstate 8 between mile markers 18 and 43.
CA Route 78 between mile markers 14 and 18.
CA Route 111 between mile markers 1 and 38.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3323 11582 3321 11544 3320 11543 3267 11547
3263 11593
TIME...MOT...LOC 1149Z 182DEG 27KT 3269 11587
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
ADThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 5:45 AM PDT | Special Weather Statement | PSR | 45 min | |
| Oct 5, 5:48 AM PDT | Special Weather Statement | PSR | 42 min | |
| Oct 5, 6:39 AM PDT | Special Weather Statement | PSR | Yuma | 51 min |
| Oct 5, 6:41 AM PDT | Special Weather Statement | PSR | 49 min | |
| Oct 5, 7:15 AM PDT | Special Weather Statement | PSR | 30 min | |
| Oct 5, 7:37 AM PDT | Special Weather Statement | PSR | La Paz | 23 min |
| Oct 5, 7:56 AM PDT | Special Weather Statement | PSR | 34 min | |
| Oct 5, 8:05 AM PDT | Special Weather Statement | PSR | La Paz | 40 min |
| Oct 5, 8:07 AM PDT | Special Weather Statement | PSR | La Paz | 38 min |
| Oct 5, 8:24 AM PDT | Special Weather Statement | PSR | Yuma | 51 min |
| Oct 5, 8:44 AM PDT | Special Weather Statement | PSR | La Paz | 46 min |
| Oct 5, 8:46 AM PDT | Special Weather Statement | PSR | Yuma | 29 min |
| Oct 5, 9:01 AM PDT | Special Weather Statement | PSR | Yuma | 44 min |
| Oct 5, 9:10 AM PDT | Special Weather Statement | PSR | La Paz | 35 min |
| Oct 5, 9:28 AM PDT | Special Weather Statement | PSR | Maricopa | 32 min |
| Oct 5, 9:30 AM PDT | Special Weather Statement | PSR | 30 min | |
| Oct 5, 9:37 AM PDT | Special Weather Statement | PSR | 38 min | |
| Oct 5, 9:39 AM PDT | Special Weather Statement | PSR | Yuma | 36 min |
| Oct 5, 10:08 AM PDT | Special Weather Statement | PSR | 37 min | |
| Oct 5, 10:21 AM PDT | Special Weather Statement | PSR | Maricopa | 24 min |
| Oct 5, 10:46 AM PDT | Special Weather Statement | PSR | 29 min | |
| Oct 5, 11:06 AM PDT | Special Weather Statement | PSR | 24 min | |
| Oct 5, 11:16 AM PDT | Special Weather Statement | PSR | Maricopa | 29 min |
| Oct 5, 11:37 AM PDT | Special Weather Statement | PSR | Yuma | 23 min |
| Oct 5, 11:42 AM PDT | Special Weather Statement | PSR | Maricopa | 33 min |
| Oct 5, 11:43 AM PDT | Special Weather Statement | PSR | Maricopa | 32 min |
| Oct 5, 11:51 AM PDT | Special Weather Statement | PSR | 24 min | |
| Oct 5, 12:03 PM PDT | Special Weather Statement | PSR | La Paz | 27 min |
| Oct 5, 12:13 PM PDT | Special Weather Statement | PSR | 47 min | |
| Oct 5, 12:16 PM PDT | Special Weather Statement | PSR | 29 min | |
| Oct 5, 12:19 PM PDT | Special Weather Statement | PSR | 26 min | |
| Oct 5, 12:28 PM PDT | Special Weather Statement | PSR | Pinal | 32 min |
| Oct 5, 12:45 PM PDT | Special Weather Statement | PSR | 30 min | |
| Oct 5, 12:46 PM PDT | Special Weather Statement | PSR | La Paz | 29 min |
| Oct 5, 12:48 PM PDT | Special Weather Statement | PSR | 27 min | |
| Oct 5, 12:58 PM PDT | Special Weather Statement | PSR | 47 min | |
| Oct 5, 1:00 PM PDT | Severe Thunderstorm Warning | PSR | Gila, Maricopa | 30 min |
| Oct 5, 1:07 PM PDT | Special Weather Statement | PSR | Pinal | 38 min |
| Oct 5, 1:09 PM PDT | Areal Flood Advisory | PSR | Pinal | 3 hr |
| Oct 5, 1:15 PM PDT | Special Weather Statement | PSR | 30 min | |
| Oct 5, 1:25 PM PDT | Areal Flood Advisory | PSR | La Paz, Maricopa, Yuma | 3 hr |
| Oct 5, 1:35 PM PDT | Severe Thunderstorm Warning | PSR | Gila, Maricopa, Pinal | 40 min |
| Oct 5, 1:45 PM PDT | Special Weather Statement | PSR | 45 min | |
| Oct 5, 1:48 PM PDT | Special Weather Statement | PSR | 27 min | |
| Oct 5, 1:50 PM PDT | Areal Flood Advisory | PSR | Maricopa, Pinal | 3 hr |
| Oct 5, 1:58 PM PDT | Severe Thunderstorm Warning | PSR | Gila, Maricopa, Pinal | 17 min |
| Oct 5, 2:12 PM PDT | Severe Thunderstorm Warning | PSR | Gila, Maricopa, Pinal | 33 min |
| Oct 5, 2:28 PM PDT | Special Weather Statement | PSR | 17 min | |
| Oct 5, 2:35 PM PDT | Flash Flood Warning | PSR | Gila | 4 hr |
| Oct 5, 2:45 PM PDT | Special Weather Statement | PSR | Gila | 45 min |
| Oct 5, 2:50 PM PDT | Severe Thunderstorm Warning | PSR | Gila | 40 min |
| Oct 5, 3:13 PM PDT | Special Weather Statement | PSR | Gila | 32 min |
| Oct 5, 3:20 PM PDT | Special Weather Statement | PSR | 25 min | |
| Oct 5, 3:32 PM PDT | Special Weather Statement | PSR | 28 min | |
| Oct 5, 3:47 PM PDT | Special Weather Statement | PSR | 43 min | |
| Oct 5, 4:06 PM PDT | Severe Thunderstorm Warning | PSR | Maricopa | 39 min |
| Oct 5, 4:09 PM PDT | Special Weather Statement | PSR | Gila | 21 min |
| Oct 5, 4:18 PM PDT | Severe Thunderstorm Warning | PSR | Gila | 27 min |
| Oct 5, 4:22 PM PDT | Special Weather Statement | PSR | 38 min | |
| Oct 5, 4:33 PM PDT | Flash Flood Warning | PSR | Pinal | 2 hr |
| Oct 5, 4:34 PM PDT | Severe Thunderstorm Warning | PSR | Gila | 41 min |
| Oct 5, 4:39 PM PDT | Special Weather Statement | PSR | Maricopa | 51 min |
| Oct 5, 4:41 PM PDT | Severe Thunderstorm Warning | PSR | Maricopa | 49 min |
| Oct 5, 4:45 PM PDT | Areal Flood Advisory | PSR | Maricopa | 3 hr |
| Oct 5, 4:54 PM PDT | Special Weather Statement | PSR | Maricopa | 36 min |
| Oct 5, 4:23 AM PDT | Special Weather Statement | PSR | Imperial | 52 min |
| Oct 5, 4:30 AM PDT | Special Weather Statement | PSR | Imperial | 45 min |
| Oct 5, 5:21 AM PDT | Areal Flood Advisory | PSR | Imperial | 96 min |
Nearby
Special Weather Statements in California, 2021Every special weather statement in 2021
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.