Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 4, NWS Flagstaff, AZ

July 13, 1995Coconino County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 13, 1995, 12:47 PM MST for Coconino County, Arizona. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jul 13, 1995, 12:47 PM MST (19:47 UTC)
Expired
Jul 13, 1995, 1:30 PM MST
In force
43 min
Issued by
NWS Flagstaff, AZ
Area
Whole counties

County Coconino County, AZ

The nearest sounding before it

Winslow (Autob), AZ (KINW), launched 12:00Z, 7.8 hours before the alert went out and 133 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, Winslow (Autob), AZ at 12:00Z on 1995-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 209 joules per kilogram.LCLLFCEL10008507005003002001001 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, Winslow (Autob), AZ at 12:00Z on 1995-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.193958Sfc1 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
209 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1849 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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, Jul 13, 10:14 AM MST, 2 hours 33 minutes before
AZZ002-131800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1010 AM MST THU JUL 13 1995

...STRONG THUNDERSTORM IN NORTHWEST COCONINO COUNTY...

AT 950 AM...LAS VEGAS NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
A STRONG THUNDERSTORM IN NORTHERN ARIZONA IN NORTHWEST COCONINO COUNTY
OVER THE HUALAPAI RESERVATION...ABOUT 50 MILES WEST OF THE GRAND CANYON
VILLAGE. THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL...HEAVY
RAIN...STRONG WINDS...AND DANGEROUS LIGHTNING. MOVEMENT OF THIS STORM
WAS TOWARDS THE NORTH-NORTHEAST AT 15 TO 20 MPH.

PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE SHELTER.

LISTEN FOR THE LATEST INFORMATION ON THIS STORM SITUATION THROUGH
LOCAL MEDIA OR BY TUNING IN NOAA WEATHER RADIO.

SIGLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 11:57 AM MSTSevere Thunderstorm WarningFGZApache33 min
Jul 13, 12:08 PM MSTSevere Thunderstorm WarningFGZCoconino37 min

Nearby

Severe Thunderstorm Warnings in Arizona, 1995Every severe thunderstorm warning in 1995

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.