Alert archive / Arizona / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 58, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Oct 1, 1990, 4:16 PM MST for Yuma County, Arizona. It was in force for 44 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 1, 1990, 4:16 PM MST (23:16 UTC)
- Expired
- Oct 1, 1990, 5:00 PM MST
- In force
- 44 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Yuma County, AZ
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 1, 4:30 PM MST | Hail 1 | Yuma, AZ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
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.
In the hours before
Special weather statement, Oct 1, 3:11 PM MST, 1 hour 5 minutes before
AZZ007-020200 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YUMA AZ 310 PM MST SUN SEP 30 1990 ...A THUNDERSTORM DEVELOPED RAPIDLY OVER THE GILA MOUNTAINS...EAST OF YUMA... RAINFALL BEGAN AROUND 2:30 THIS AFTERNOON...AND HALF INCH HAIL WAS OBSERVED. WINDS WERE NOT STRONG...AROUND 25 MPH...BUT AN INCH OF RAIN WAS ESTIAMTED IN ABOUT 15 MINUTES...WITH RUNNING WASHES. THE STORM WAS MOVING SLOWLY TO THE SOUTH...AND SHOWERS WERE DECREASING SINCE 3 PM. MORE THUNDERSTORMS WERE DEVELOPING IN SOUTHWEST ARIZONA...AS A LOW PRESSURE SYSTEM IN THE AREA MOVED SLOWLY EAST. MOTORISTS SHOULD TRAVEL WITH CAUTION AND NOT TRY TO CROSS RUNNING WASHES...BECAUSE A CAR CAN EASILY LOSE TRACTION AND BE SWEPT OFF THE ROAD. THUNDERSTORMS WILL DECREASE AFTER DARK AS THE LOW PRESSURE SYSTEM MOVES EAST AND THE AIR COOLS. . MATHESON
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 4:16 PM MST | Flash Flood Warning | PSR | Yuma | 44 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.