Alert archive / Arizona / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 15, NWS Tucson, AZ

June 6, 1997Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jun 6, 1997, 2:59 PM MST for Cochise County, Arizona. It was in force for 61 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
Jun 6, 1997, 2:59 PM MST (21:59 UTC)
Expired
Jun 6, 1997, 4:00 PM MST
In force
61 min
Issued by
NWS Tucson, AZ
Area
Whole counties

County Cochise County, AZ

The radar

The Tucson radar (KEMX), 83 km from the middle of the area, began a volume at 22:20 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 6, 12:00 PM MSTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 10.0 hours before the alert went out and 113 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 1997-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 1997-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3313 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
265 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUS 062159
SVRTUS
AZC003-062300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
259 PM MST FRI JUN 6 1997

THE NATIONAL WEATHER SERVICE IN TUCSON AZ HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEASTERN ARIZONA

   ...NORTHWESTERN COCHISE COUNTY
 
AT 257 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10
MILES SOUTH SOUTHWEST OF WILLCOX MOVING NORTH AT 40 MPH. STRONG
WINDS OVER 60 MPH AND NEAR ONE INCH HAIL ARE POSSIBLE.

SOME LOCATIONS IN THE PATH OF THIS STORM ARE...
WILLCOX                 BY 302 PM MST

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 Jun 6, 2:14 PM MST, 45 minutes earlier.

Area forecast discussion, Jun 6, 2:14 PM MST, 45 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
200 PM MST FRI JUN 6 1997

MSTR AXIS REMAINS STNRY FROM PHX TO TUS SOUTH INTO MEX WITH DRY AIR
BETWEEN TUS AND AJO THE TSTMS WRAPPING AROUND UPR LOW. QUESTION IS
IF ANY MSTR WILL MOVE IN FROM SOUTH TO DEVELOP STORMS OVR REMAINDER
OF AREA. HAVE HAD SOME STRONG WNDS AT SAF THAT DID SOME DAMAGE AND
SVR HAIL JUST REPORTED IN CNTRL COCHISE COUNTY AND STORMS DO SEEM
TO BE INTENSIFYING.

UPR LOW WILL HANG AROUND ONE MORE DAY AND EXPECT ANOTHER ROUND OF
STORMS AGAIN SAT BUT LESS WNDS WIL ONLY MAKE HAIL THE THREAT. THEN
DRY AIR WILL WORK IN SUN WITH THE WARMING TREND. ONLY MTN TSTMS IN FAR
ERN ZONES THEN SUMMER STARTS AGAIN SUN. TUS 5440 HOLBROOK.

TUS...SVR TSTM WATCH UNTIL 700 PM ALL ZONES.
      WND ADVSY ALL ZONES XCPT 26 UNTIL 700 PM MST.

In the hours before

Special weather statement, Jun 6, 10:20 AM MST, 4 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1016 AM MST FRI JUN 6 1997

AZZ019-026>030-062320-

...ACTIVE THUNDERSTORM DAY SHAPING UP FOR SOUTHEAST ARIZONA...

A STRONG STORM SYSTEM HAS MOVED INTO THE NORTHERN BAJA THIS MORNING
SETTING UP SOUTHEAST ARIZONA FOR A ROUND OF THUNDERSTORMS TODAY. THE
STORM SYSTEM COMBINED WITH MOISTURE MOVING IN FROM MEXICO HAS
ALREADY GENERATED THUNDERSTORM OVER COCHISE...GRAHAM...AND
GREENLEE COUNTIES. THESE THUNDERSTORMS ARE MOVING RAPIDLY NORTH AT
NEAR 40 MPH.

DURING THE REST OF THE MORNING AND AFTERNOON THUNDERSTORMS WILL
DEVELOP OVER THE REMAINDER OF SOUTHEAST ARIZONA. THESE STORMS HAVE
THE POTENTIAL TO BECOME SEVERE AND PRODUCE STRON&G GUSTY
WINDS AND LARGE HAIL. RESIDENTS OF SOUTHEAST ARIZONA SHOULD BE
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED FOR LATER
STATEMENTS AND OR WARNINGS.

HOLBROOK
Local storm report, Jun 6, 2:09 PM MST, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TUCSON
210 PM MST FRI JUN 6 1997

TIME(MST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0200 PM    SUNnSITES                  AZ   HAIL
06/06/97   COCHISE                        0.75 INCH HAIL

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 12:37 PM MSTSevere Thunderstorm WarningTWCPinal33 min
Jun 6, 1:58 PM MSTSevere Thunderstorm WarningTWCCochise32 min
Jun 6, 4:58 PM MSTSevere Thunderstorm WarningTWCGraham47 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.