232
BMBB91 KSTO 190203
STQSTO

A SPOT FORECAST REQUEST FOR PROJECT "EBMUD Dike 1 Rx burn" HAS BEEN
MODIFIED

       REQUEST TYPE:  DELAYED
     REQUEST ACTION:  MODIFIED
               DATE:  09/22/26
               TIME:  0900
       DELIVER DATE:  09/21/26
       DELIVER TIME:  1200
        SUBMIT DATE:  09/18/26
        SUBMIT TIME:  1903
       PROJECT NAME:  EBMUD Dike 1 Rx burn
       PROJECT TYPE:  PRESCRIBED
     REQUEST REASON:  PUBLIC SAFETY
  REQUESTING AGENCY:  EBMUD/CalFire
REQUESTING OFFICIAL:  Beau Bourland/ John Fredrick
    EMERGENCY PHONE:  5303046344
              EMAIL:
bbourlan@ebmud.com,john.fredrick@fire.ca.gov,michael.shoda@fire.ca.gov
              STATE:  CA
               DLAT:  38.2025
               DLON:  120.98
               CLON:  -120.98
                FAX:
   OUTLOOK FORECAST:  No
START TIME FORECAST:  No
           EXPOSURE:  West
          FUEL TYPE:  Grass
         SHELTERING:  unsheltered
   BOTTOM ELEVATION:  203
      TOP ELEVATION:  203
       SIZE (ACRES):  100
 REQUESTING HYSPLIT:  NO
             FORMAT:  C
           INTERVAL:  2,2,3,1

WEATHER CONDITION AT INCIDENT OR NEARBY STATIONS
38.20316 -12[09/15/26 1630] Elev=285 Temp=91 WB=65 RH=25 Td=51
                            Sky=Clear Wx=None Rmks=Forecast for
                            ignition start at 09:00am on 9/22  09:00
                            am on 9/23 & 09:00am on 9/24. Please
                            provide the Forcast to emails given by
                            12:00pm on 9/21. Wx observations taken
                            with a Kestrel 5500FW at gps coordinates
                            in site title on a west aspect in the
                            sunlight. Please reach out to phone
                            number if there are any questions.
                            Thanks! Wind=3@WSW
38.20316 -12[09/16/26 1600] Elev=285 Temp=85 WB=65 RH=34 Td=53
                            Sky=Clear Wx=None Rmks=Wx taken with a
                            Kestrel 5500FW at gps coordinates in site
                            title on a west aspect in the sunlight.
                            Wind=5@SW
38.20316 -12[09/17/26 1600] Elev=285 Temp=76 WB=63 RH=50 Td=56
                            Sky=Clear Wx=None Rmks=Wx taken with a
                            Kestrel 5500FW at gps coordinates in site
                            title on a west aspect in the sunlight.
                            Wind=6@NNW
38.20316 -12[09/18/26 1000] Elev=285 Temp=68 WB=62 RH=72 Td=59
                            Sky=Clear Wx=None Rmks=Wx taken with a
                            Kestrel 5500FW at gps coordinates in site
                            title on a west aspect in the sunlight.
                            Wind=2@WSW
38.20316 -12[09/18/26 1430] Elev=285 Temp=82 WB=65 RH=41 Td=56
                            Sky=Clear Wx=None Rmks=Wx taken with a
                            Kestrel 5500FW at gps coordinates in site
                            title on a west aspect in the sunlight.
                            Wind=5@NW

...REMARKS...
Nearest PG&E RAWS is PG873 located at 38.19531 -120.92983
approximately 2.7 mi east of Rx unit.

NWS contacted the point of contact. Mixing height is something to
watch by the site as previous burns the forecasted mixing height near
Camanche reservoir has been to high. Forecasts of 1500 feet for
mixing height ended up being less than 500 feet. No other major
concerns besides RH Wind and precipitation chances. Ignition of the
burn is set for 0900 on the 22nd.

...WEATHER PARAMETERS REQUESTED...
               TRANSPORT WINDS:  1,1,1,0
            SLOPE/VALLEY WINDS:  1,1,1,0
                      HUMIDITY:  1,1,1,0
                   TEMPERATURE:  1,1,1,0
             CHANCE OF THUNDER:  1,1,1,0
                 MIXING HEIGHT:  1,1,1,0
                  WIND (20 FT):  1,1,1,0
CHANCE OF WETTING RAIN (>0.10):  1,1,1,0
               RIDGE TOP WINDS:  1,1,1,0
                   SKY/WEATHER:  1,1,1,0

SITE: STO
OFILE: 2622146.0
TIMEZONE: PST8PDT