Alert archive / Arizona / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 69, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 14, 1997, 8:53 PM MST for Pima County, Arizona. It was in force for 52 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
- Aug 14, 1997, 8:53 PM MST (03:53 UTC)
- Expired
- Aug 14, 1997, 9:45 PM MST
- In force
- 52 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The radar
The Tucson radar (KEMX), 112 km from the middle of the area, began a volume at 03:57 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
Tuscon, AZ (KTUS), launched 00:00Z, 3.9 hours before the alert went out and 84 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
- 435 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 2878 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 150354 RRA SVRTUS AZC019-150445- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 853 PM MST THU AUG 14 1997 THE NATIONAL WEATHER SERVICE IN TUCSON AZ HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHERN ARIZONA ...EASTERN PIMA COUNTY AT 852 PM MST...DOPPLER RADAR INDICATED AN AREA OF SEVERE THUNDERSTORMS SOUTH OF INTERSTATE 10 AND JUST EAST OF GREEN VALLEY. MOVEMENT WAS TO THE SOUTHEAST AT 20-25 MPH. A PORTION OF THESE STORMS ARE EXPECTED TO HIT THE VAIL AREA BY 905 PM. MEYER
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 Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 14, 2:15 PM MST, 6 hours 38 minutes earlier.
Area forecast discussion, Aug 14, 2:15 PM MST, 6 hours 38 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 215 PM MST THU AUG 14 1997 ISOLD TO SCT TSRA CONT TO FIRE ERN ZNS THIS AFTN. AMS DRIER THAN 24 HRS AGO SO FLASH FLOOD AND SVR WX THREAT DIMINISHED THIS EVE...BUT STILL PSBL. MID/UPR LVL WLY FLOW SHOULD KEEP THE DP MSTR OVR SONORA FM MOVG N INTO AZ...BUT MINOR SEEPS PSBL THRU SAT. LATEST GOES9 SNDR PW IMAGERY SUPPORTS THIS TREND FOR AT LEAST TNGT. 12Z ETA BRNGS A VORT MAX THRU SRN AZ FRI. ETA GUID SUGGESTS THIS FEATURE WL HAVE ENOUGH H7 UVV TO WORK ON RESIDUAL LOW LVL RH FOR INCRSD ACTIVITY...SPCLLY ERN ZNS. WL STICK WITH A LOW GRADE MONSOON FCST AND WAIT AND SEE WHAT HAPPENS. H5 HI BLDS NWD SAT AS STG H3 JET AXIS RETREATS NWD. CONSENSUS AMONGST FCSTRS AT BLAST UP DSCN WAS TO WAIT FOR UPSWING IN ACTIVITY TIL THE EXTENDED PD. THEREFORE LITTLE CHG FCST FOR THE FIRST HALF OF THIS WEEKEND. TUS 2222. OKULSKI TUS...NONE.
In the hours before
Local storm report, Aug 14, 4:35 PM MST, 4 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
435 PM MST THU AUG 14 1997
TIME(MST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
445 PM DUDLEYVILLE 8SW AZ FLASH FLOOD
08/13/97 PINAL RANCH ROADS IMPASSABLE
DUE TO FLOODING
600 PM TUCSON AZ FLASH FLOOD
08/13/97 PIMA SEVERAL UNDERPASSES
CLOSED ON WEST SIDE DUE
TO FLODDING...CAR
CAUGHT IN FLOODED
UNDERPASS NEAR 6TH AND
STONE
616 PM TUCSON 10W AZ WIND
08/13/97 PIMA WIND GUST TO 89 MPH AT
RYAN FIELD AIRPORT...
ROOF DAMAGE TO BUILDING
630 PM TUCSON 12W AZ FLASH FLOOD
08/13/97 PIMA AREA NEAR BRAWLEY WASH
FLOODED...MILE WIDE
ROAD FLOODED
END/MEYERLocal storm report, Aug 14, 4:41 PM MST, 4 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
435 PM MST THU AUG 14 1997
TIME(MST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
445 PM DUDLEYVILLE 8SW AZ FLASH FLOOD
08/13/97 PINAL RANCH ROADS IMPASSABLE
DUE TO FLOODING
600 PM TUCSON AZ FLASH FLOOD
08/13/97 PIMA SEVERAL UNDERPASSES
CLOSED ON WEST SIDE DUE
TO FLODDING...CAR
CAUGHT IN FLOODED
UNDERPASS NEAR 6TH AND
STONE
616 PM TUCSON 10W AZ WIND
08/13/97 PIMA WIND GUST TO 89 MPH AT
RYAN FIELD AIRPORT...
ROOF DAMAGE TO BUILDING
630 PM TUCSON 12W AZ FLASH FLOOD
08/13/97 PIMA AREA NEAR BRAWLEY WASH
z FLOODED...MILE WIDE
ROAD FLOODED
END/MEYERLocal storm report, Aug 14, 4:42 PM MST, 4 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
435 PM MST THU AUG 14 1997
TIME(MST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
445 PM DUDLEYVILLE 8SW AZ FLASH FLOOD
08/13/97 PINAL RANCH ROADS IMPASSABLE
DUE TO FLOODING
600 PM TUCSON AZ FLASH FLOOD
08/13/97 PIMA SEVERAL UNDERPASSES
CLOSED ON WEST SIDE DUE
TO FLODDING...CAR
CAUGHT IN FLOODED
UNDERPASS NEAR 6TH AND
STONE
616 PM TUCSON 10W AZ WIND
08/13/97 PIMA WIND GUST TO 89 MPH AT
RYAN FIELD AIRPORT...
ROOF DAMAGE TO BUILDING
630 PM TUCSON 12W AZ FLASH FLOOD
08/13/97 PIMA AREA NEAR BRAWLEY WASH
~ FLOODED...MILE WIDE
ROAD FLOODED
END/MEYERThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 9:27 PM MST | Severe Thunderstorm Warning | TWC | Pima | 48 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 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.